CNS Neuroscience & Therapeutics,
Journal Year:
2022,
Volume and Issue:
29(1), P. 91 - 103
Published: Oct. 2, 2022
Abstract
Aims
The
peptidyl‐prolyl
cis/trans
isomerase,
Pin1,
has
a
protective
role
in
age‐related
neurodegeneration
by
targeting
different
phosphorylation
sites
of
tau
and
the
key
proteins
required
to
produce
Amyloid‐β,
which
are
well‐known
molecular
signatures
Alzheimer's
disease
(AD)
neuropathology.
direct
interaction
miR‐140‐5p
with
Pin1
mRNA
its
inhibitory
protein
translation
been
identified.
main
purpose
this
study
was
investigate
miRNA‐140‐5p
inhibition
promoting
expression
therapeutic
potential
AntimiR‐140‐5p
Aß
oligomer
(AßO)‐induced
AD
rat
model.
Methods
Spatial
learning
memory
were
assessed
Morris
water
maze.
RT‐PCR,
western
blot,
histological
assays
performed
on
hippocampal
samples
at
various
time
points
after
treatments.
enhanced
ADAM10
expressions
but
little
effect
level.
Results
inhibitor
markedly
ameliorated
spatial
deficits
induced
AßO,
concomitantly
suppressed
inflammatory
mediators
TNFα
IL‐1β,
three
(thr231,
ser396,
ser404)
as
well
increased
phosphorylated
Ser473‐Akt.
Conclusion
According
our
results,
Antimir‐140‐mediated
improvement
AβO‐induced
neuronal
injury
impairment
rats
may
provide
an
appropriate
rationale
for
evaluating
inhibitors
promising
agent
treatment
AD.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 626 - 626
Published: Jan. 13, 2025
MicroRNAs
(miRNAs)
are
a
class
of
small
non-coding
RNAs
(ncRNAs)
crucial
for
regulating
gene
expression
at
the
post-transcriptional
level.
Recent
evidence
has
shown
that
miRNAs
also
found
in
mitochondria,
organelles
produce
energy
cell.
These
mitochondrial
miRNAs,
known
as
mitomiRs,
essential
function
and
metabolism.
MitomiRs
can
originate
from
nucleus,
following
traditional
miRNA
biogenesis
pathways,
or
potentially
DNA,
allowing
them
to
directly
affect
cellular
dynamics
within
mitochondrion.
While
have
been
extensively
investigated,
involvement
mitomiRs
development
neurodegenerative
disorders
like
Alzheimer’s
disease,
Parkinson’s
amyotrophic
lateral
sclerosis
remain
be
elucidated.
This
review
aims
discuss
findings
on
role
such
diseases
their
potential
therapeutic
targets,
well
highlight
future
research
directions.
Frontiers in Neuroscience,
Journal Year:
2021,
Volume and Issue:
15
Published: April 30, 2021
Parkinson’s
disease
(PD)
is
a
severely
debilitating
neurodegenerative
disease,
affecting
the
motor
system,
leading
to
resting
tremor,
cogwheel
rigidity,
bradykinesia,
walking
and
gait
difficulties,
postural
instability.
The
severe
loss
of
dopaminergic
neurons
in
substantia
nigra
pars
compacta
causes
striatal
dopamine
deficiency
presence
Lewy
bodies
indicates
pathological
hallmark
PD.
Although
current
treatment
PD
aims
preserve
or
replace
depletion
brain,
it
notable
that
complete
recovery
from
yet
be
achieved.
Given
complexity
multisystem
effects
PD,
underlying
mechanisms
pathogenesis
are
elucidated.
advancement
medical
technologies
has
given
some
insights
understanding
mechanism
potential
with
special
interest
role
microRNAs
(miRNAs)
unravel
pathophysiology
In
patients,
was
found
brain
tissue
demonstrated
dysregulated
miRNAs
expression
profiles.
Hence,
dysregulation
may
contribute
through
modulation
PD-associated
gene
protein
expression.
This
review
will
discuss
recent
findings
on
dysregulation,
regulation
genes,
neuron
survival,
α-synuclein-induced
inflammation
circulating
miRNAs.
next
section
this
also
provides
an
update
uses
as
diagnostic
biomarkers
therapeutic
tools
for
International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(9), P. 4718 - 4718
Published: April 25, 2022
MicroRNAs
(miRNAs)
are
essential
post-transcriptional
gene
regulators
involved
in
various
neuronal
and
non-neuronal
cell
functions
play
a
key
role
pathological
conditions.
Numerous
studies
have
demonstrated
that
miRNAs
dysregulated
major
neurodegenerative
diseases,
such
as
Alzheimer’s
disease,
Parkinson’s
multiple
sclerosis,
amyotrophic
lateral
or
Huntington’s
disease.
Hence,
the
present
work,
we
constructed
comprehensive
overview
of
individual
microRNA
alterations
models
above
diseases.
We
also
provided
evidence
promising
biomarkers
for
prognostic
diagnostic
approaches.
In
addition,
summarized
data
from
literature
about
miRNA-based
therapeutic
applications
via
inhibiting
promoting
miRNA
expression.
finally
identified
overlapping
signature
across
including
miR-128,
miR-140-5p,
miR-206,
miR-326,
miR-155,
associated
with
etiological
cellular
mechanisms.
However,
it
remains
to
be
established
whether
what
extent
therapies
could
safely
exploited
future
effective
symptomatic
disease-modifying
approaches
different
human
disorders.
Alzheimer s Research & Therapy,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Jan. 9, 2024
Abstract
Background
Alzheimer’s
dementia
(AD)
pathogenesis
involves
complex
mechanisms,
including
microRNA
(miRNA)
dysregulation.
Integrative
network
and
machine
learning
analysis
of
miRNA
can
provide
insights
into
AD
pathology
prognostic/diagnostic
biomarkers.
Methods
We
performed
co-expression
to
identify
modules
associated
with
AD,
its
neuropathology
markers,
cognition
using
brain
tissue
profiles
from
the
Religious
Orders
Study
Rush
Memory
Aging
Project
(ROS/MAP)
(
N
=
702)
as
a
discovery
dataset.
association
hub
miRNAs
cognition.
After
selecting
target
genes
miRNAs,
we
their
then
pathway-based
enrichment
analysis.
For
replication,
consensus
ROS/MAP
dataset
an
independent
16)
Gene
Expression
Omnibus
(GEO).
Furthermore,
approach
assess
performance
for
classification.
Results
Network
identified
glucose
metabolism
pathway-enriched
module
(M3)
significantly
Five
(miR-129-5p,
miR-433,
miR-1260,
miR-200a,
miR-221)
M3
had
significant
associations
clinical
and/or
pathologic
traits,
miR129-5p
by
far
strongest
across
all
phenotypes.
Gene-set
corresponding
enriched
biological
pathways
ErbB,
AMPK,
MAPK,
mTOR
signaling
pathways.
Consensus
two
AD-associated
(miR-129-5p
miR-221).
Machine
showed
that
classification
(area
under
curve
(AUC)
0.807)
age,
sex,
APOE
ε4
carrier
status
was
improved
6.3%
inclusion
five
miRNAs.
Conclusions
signatures,
especially
miR-129-5p,
cognition,
enhancing
our
understanding
leading
better
potential
diagnostic/prognostic
Metabolic Brain Disease,
Journal Year:
2025,
Volume and Issue:
40(1)
Published: Jan. 4, 2025
Alzheimer's
disease
(AD)
is
a
neurodegenerative
that
primarily
affects
the
elderly
population
and
leading
cause
of
dementia.
Meanwhile,
vascular
hypothesis
suggests
damage
occurs
in
early
stages
disease,
to
neurodegeneration
hindered
waste
clearance,
which
turn
triggers
series
events
including
accumulation
amyloid
plaques
Tau
protein
tangles.
Non-coding
RNAs
(ncRNAs),
long
noncoding
(lncRNAs),
microRNAs
(miRNAs),
circular
(circRNAs),
have
been
found
be
involved
regulation
AD.
Furthermore,
lncRNAs
circRNAs
can
act
as
competitive
endogenous
inhibit
miRNAs,
their
interactions
form
complex
regulatory
network.
Exosomes,
are
extracellular
vesicles
(EVs),
believed
able
transfer
ncRNAs
between
cells,
thus
playing
role
brain
by
crossing
blood-brain
barrier
(BBB).
Exosomes
part
intercellular
carrier
system;
therefore,
utilizing
exosomes
deliver
drugs
recipient
cells
might
not
activate
immune
system,
making
it
potential
strategy
treat
central
nervous
system
diseases.
In
this
review,
we
review
AD
multifactorial
neurological
regulate
its
multiple
pathogenic
mechanisms
improve
our
understanding
etiology
simultaneously
through
binding
treatment
npj Genomic Medicine,
Journal Year:
2022,
Volume and Issue:
7(1)
Published: Aug. 8, 2022
MicroRNAs
(miRNAs)
are
found
in
nerve
terminals,
synaptic
vesicles,
and
synaptosomes,
but
it
is
unclear
whether
cytosolic
miRNA
populations
differ
Alzheimer's
disease
(AD)
or
if
synaptosomal
miRNAs
affect
AD
synapse
activity.
To
address
these
questions,
we
generated
synaptosomes
fractions
from
postmortem
brains
of
unaffected
control
(UC)
samples
analyzed
them
using
a
global
Affymetrix
microarray
platform.
A
group
significantly
differed
(P
<
0.0001)
with
high
fold
changes
variance
(+/-
>200-fold)
their
expressions
different
comparisons:
(1)
UC
synaptosome
vs
cytosol,
(2)
(3)
cytosol
(4)
synaptosomes.
MiRNAs
data
analysis
revealed
that
some
potential
were
consistently
across
sample
groups.
These
differentially
expressed
further
validated
brains,
APP
transgenic
(Tg2576),
Tau
(P301L),
wild-type
mice.
The
miR-501-3p,
miR-502-3p,
miR-877-5p
identified
as
upregulated
progression
based
on
Braak
stages.
Gene
Ontology
Enrichment
Ingenuity
Pathway
Analysis
showed
the
involvement
nervous
system
development,
cell
junction
organization,
assembly
formation,
function
GABAergic
synapse.
This
first
description
versus
significance
function.