Molecular Medicine Reports,
Год журнала:
2021,
Номер
24(1)
Опубликована: Май 27, 2021
Parkinson's
disease
(PD)
can
lead
to
movement
injury
and
cognitive
dysfunction.
Although
advances
have
been
made
in
attenuating
PD,
the
effect
of
inhibiting
development
PD
remains
disappointing.
Therefore,
present
study
aimed
at
investigating
etiology
developing
an
alternative
therapeutic
strategy
for
patients
with
PD.
A
mouse
model
was
established
using
intraperitoneal
injection
1‑methyl‑4‑phenyl‑1,2,3,6‑tetrahydropyridine
hydrochloride
(MPTP‑HCl;
30
mg/kg/day
5
days),
a
cellular
by
treating
SH‑SY5Y
cells
different
concentrations
1‑methyl‑4‑phenylpyridinium
(MPP+)
24
h.
The
expression
levels
circular
RNA
sterile
α
motif
domain
containing
4A
(circSAMD4A)
microRNA
(miR)‑29c‑3p
both
midbrain
tissues
were
detected
via
reverse
transcription‑quantitative
PCR.
interaction
between
circSAMD4A
miR‑29c‑3p
verified
dual‑luciferase
reporter
experiment.
Apoptosis‑,
autophagy‑
5'AMP‑activated
protein
kinase
(AMPK)/mTOR
cascade‑associated
proteins
western
blotting.
Furthermore,
TUNEL
staining
flow
cytometry
used
analyze
cell
apoptosis.
It
found
that
upregulated,
while
downregulated
animal
models.
Moreover,
directly
targeted
negatively
regulated
miR‑29c‑3p.
Further
studies
identified
knockdown
inhibited
MPTP‑
or
MPP+‑induced
apoptosis
autophagy;
however,
these
effects
abolished
inhibitor.
In
addition,
repressed
phosphorylated‑AMPK
increased
mTOR
models,
which
reversed
Collectively,
results
suggested
participated
autophagy
dopaminergic
neurons
modulating
AMPK/mTOR
cascade
Signal Transduction and Targeted Therapy,
Год журнала:
2021,
Номер
6(1)
Опубликована: Май 21, 2021
Abstract
Significant
progress
has
been
made
in
circular
RNA
(circRNA)
research
recent
years.
Increasing
evidence
suggests
that
circRNAs
play
important
roles
many
cellular
processes,
and
their
dysregulation
is
implicated
the
pathogenesis
of
various
diseases.
CircRNAs
are
highly
stable
usually
expressed
a
tissue-
or
cell
type-specific
manner.
Therefore,
they
currently
being
explored
as
potential
therapeutic
targets.
Gain-of-function
loss-of-function
approaches
typically
performed
using
circRNA
expression
plasmids
interference-based
strategies,
respectively.
These
strategies
have
limitations
can
be
mitigated
nanoparticle
exosome
delivery
systems.
Furthermore,
developments
show
cre-lox
system
used
to
knockdown
cell-specific
While
still
early
stages
development,
CRISPR/Cas13
shown
promise
knocking
down
with
high
specificity
efficiency.
In
this
review,
we
describe
properties
functions
highlight
significance
disease.
We
summarize
overexpress
approach.
Lastly,
discuss
major
challenges
propose
future
directions
for
development
circRNA-based
therapeutics.
CNS Neuroscience & Therapeutics,
Год журнала:
2024,
Номер
30(5)
Опубликована: Май 1, 2024
Parkinson's
disease
(PD)
is
a
degenerative
neurological
condition
marked
by
the
gradual
loss
of
dopaminergic
neurons
in
substantia
nigra
pars
compacta.
The
precise
etiology
PD
remains
unclear,
but
emerging
evidence
suggests
significant
role
for
disrupted
autophagy-a
crucial
cellular
process
maintaining
protein
and
organelle
integrity.
International Journal of Molecular Sciences,
Год журнала:
2020,
Номер
21(24), С. 9582 - 9582
Опубликована: Дек. 16, 2020
Protein
aggregation
is
classically
considered
the
main
cause
of
neuronal
death
in
neurodegenerative
diseases
(NDDs).
However,
increasing
evidence
suggests
that
alteration
RNA
metabolism
a
key
factor
etiopathogenesis
these
complex
disorders.
Non-coding
RNAs
are
major
contributor
to
human
transcriptome
and
particularly
abundant
central
nervous
system,
where
they
have
been
proposed
be
involved
onset
development
NDDs.
Interestingly,
some
ncRNAs
(such
as
lncRNAs,
circRNAs
pseudogenes)
share
common
functionality
their
ability
regulate
gene
expression
by
modulating
miRNAs
phenomenon
known
competing
endogenous
mechanism.
Moreover,
found
body
fluids
presence
concentration
could
serve
potential
non-invasive
biomarkers
In
this
review,
we
summarize
ceRNA
networks
described
Alzheimer’s
disease,
Parkinson’s
multiple
sclerosis,
amyotrophic
lateral
sclerosis
spinocerebellar
ataxia
type
7,
discuss
Although
numerous
studies
carried
out,
further
research
needed
validate
interactions
between
alterations
editing
provide
specific
ceRNET
profiles
for
disorders,
paving
way
better
understanding
diseases.
Molecular Therapy — Methods & Clinical Development,
Год журнала:
2020,
Номер
18, С. 215 - 229
Опубликована: Июнь 6, 2020
Circular
RNAs
(circRNAs)
are
a
new
class
of
noncoding
single-stranded
that
differ
from
linear
microRNAs
(miRNAs),
since
they
form
covalently
closed
loop
structures
without
free
3'
poly(A)
tails
or
5'
caps.
circRNAs
the
competitive
endogenous
(ceRNAs)
by
binding
to
miRNA
through
response
elements
(MREs)
(i.e.,
"miRNA
sponge"),
thereby
reducing
quantity
available
target
mRNA,
subsequently
promoting
mRNA
stability
protein
expression,
which
involves
initiation
and
progress
human
diseases.
Owing
these
features
abundance,
stability,
conservative
property,
tissue
stage
specificity,
widely
distributing
in
extracellular
space
various
bodily
fluids,
can
be
considered
as
potential
biomarkers
for
Here,
we
reviewed
promising
being
disease
biomarkers,
focused
on
their
regulatory
function
acting
sponges,
described
roles
cancer,
cardiovascular
neurodegenerative
diseases,
osteoarthritis,
rheumatoid
arthritis,
diabetes,
other
aging-related
provide
direction
pathogenesis,
diagnosis,
treatment
International Journal of Molecular Sciences,
Год журнала:
2021,
Номер
22(9), С. 4956 - 4956
Опубликована: Май 7, 2021
Neuroinflammation
is
one
of
the
most
significant
factors
involved
in
initiation
and
progression
Parkinson’s
disease.
PD
a
neurodegenerative
disorder
with
motor
disability
linked
various
complex
diversified
risk
factors.
These
trigger
myriads
cellular
molecular
processes,
such
as
misfolding
defective
proteins,
oxidative
stress,
mitochondrial
dysfunction,
neurotoxic
substances
that
induce
selective
neurodegeneration
dopamine
neurons.
This
neuronal
damage
activates
immune
system,
including
glial
cells
inflammatory
cytokines,
to
neuroinflammation.
The
transition
acute
chronic
neuroinflammation
enhances
susceptibility
inflammation-induced
dopaminergic
neuron
damage,
forming
vicious
cycle
prompting
an
individual
development.
Epigenetic
mechanisms
recently
have
been
at
forefront
regulation
neuroinflammatory
PD,
proposing
new
dawn
for
breaking
this
cycle.
review
examined
core
epigenetic
activation
phenotypic
transformation
mediated
PD.
We
found
do
not
work
independently,
despite
being
coordinated
each
other
activate
pathways.
In
regard,
we
attempted
find
synergic
correlation
contribution
these
modifications
pathways
broaden
canvas
underlying
pathological
Moreover,
study
highlighted
dual
characteristics
(neuroprotective/neurotoxic)
marks,
which
may
counteract
pathogenesis
make
them
potential
candidates
devising
future
diagnosis
treatment.
Redox Biology,
Год журнала:
2022,
Номер
56, С. 102430 - 102430
Опубликована: Авг. 12, 2022
As
a
novel
type
of
non-coding
RNAs,
covalently
closed
circular
RNAs
(circRNAs)
are
ubiquitously
expressed
in
eukaryotes.
Emerging
studies
have
indicated
that
dysregulation
circRNAs
was
related
to
neurological
diseases.
However,
the
biogenesis,
regulation,
function,
and
mechanism
Parkinson's
disease
(PD)
remain
largely
unclear.
In
this
study,
thirty-three
differentially
(DECs)
were
detected
by
RNA-sequencing
between
MPTP-induced
PD
mice
model
wild-type
mice.
Quantitative
real-time
PCR
used
determine
RNA
level
DECs
striatum
(STR),
substantia
nigra
pars
compacta
(SNpc),
serum
exosomes,
it
found
circSV2b
downregulated
Then,
functional
experiments
vivo
employed
explore
effect
PD.
For
dual-luciferase
reporter,
fluorescence
situ
hybridization
(FISH),
immunoprecipitation
(RIP),
pull-down,
gene
editing,
CUT
&
Tag
performed
vitro
confirm
directly
sponged
miR-5107-5p
alleviated
suppression
expression
target
Foxk1,
then
positively
regulated
Akt1
transcription.
vivo,
mechanistic
analysis
demonstrated
overexpression
resisted
oxidative
stress
damage
through
ceRNA-Akt1
axis
models.
Taken
together,
these
findings
suggested
miR-5107-5p-Foxk1-Akt1
might
serve
as
key
treatment,
highlighted
significant
change
exosomes.
Therefore,
be
biomarker
for
diagnosis
treatment
Autophagy,
Год журнала:
2023,
Номер
19(9), С. 2520 - 2537
Опубликована: Апрель 4, 2023
Despite
growing
evidence
that
has
declared
the
importance
of
circRNAs
in
neurodegenerative
diseases,
clinical
significance
dopaminergic
(DA)
neuronal
degeneration
pathogenesis
Parkinson
disease
(PD)
remains
unclear.
Here,
we
performed
rRNA-depleted
RNA
sequencing
and
detected
more
than
10,000
plasma
samples
PD
patients.
In
consideration
ROC
correlation
between
Hohen-Yahr
stage
(H-Y
stage)
Unified
Disease
Rating
Scale-motor
score
(UPDRS)
40
patients,