Frontiers in Aging Neuroscience,
Год журнала:
2024,
Номер
16
Опубликована: Ноя. 20, 2024
Parkinson's
disease
(PD)
is
an
age-related
neurodegenerative
characterized
by
the
death
of
dopamine
neurons
in
substantia
nigra.
A
large
number
studies
have
focused
on
themselves,
but
so
far,
pathogenesis
PD
has
not
been
fully
elucidated.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 22, 2024
ABSTRACT
α-Synuclein
misfolding
and
progressive
accumulation
drives
a
pathogenic
process
in
Parkinson’s
disease.
To
understand
cellular
network
vulnerability
to
α-synuclein
pathology,
we
developed
framework
quantify
network-level
identify
new
therapeutic
targets
at
the
level.
Full
brain
pathology
was
mapped
mice
over
9
months.
Empirical
data
compared
theoretical
estimates
from
diffusion
model
of
progression
along
anatomical
connections.
Unexplained
variance
enabled
us
derive
regional
that
gene
expression.
We
identified
expression
patterns
relate
vulnerability,
including
12
kinases
were
enriched
vulnerable
regions.
Among
these,
an
inhibitor
group
II
PAKs
demonstrated
protection
neuron
death
even
after
delayed
compound
treatment.
This
study
provides
for
derivation
network-based
studies
identifies
promising
pathway
Abstract
Figure
HIGHLIGHTS
Longitudinal
assessment
1046
regions
months
Linear
modeling
PANGEA:
19,000
genes
302
Group
PAK
prevents
Abstract
Dopamine
is
an
important
catecholamine
neurotransmitter
and
its
precise
determination
of
great
significance
in
the
diagnosis
treatment
related
diseases.
This
study
presents
a
high‐performance
enzyme‐free
electrochemical
sensor
for
dopamine
based
on
combination
Prussian
blue
analogues
oxides
with
multi‐walled
carbon
nanotubes
(PBO@CNTs).
The
prepared
PBO@CNTs
exhibited
increased
surface
area
49.79
m
2
/g
abundant
mesoporous
nanostructure,
which
providing
numerous
electroactive
sites.
Under
optimal
conditions,
PBO@CNTs/Au
high
sensitivity
178.34
μA
mM
−1
cm
−2
,
broad
linear
range
between
0.30
μM
to
8
low
detection
limit
0.10
μM.
It
displayed
excellent
selectivity
towards
by
successive
addition
various
interfering
species
through
chronoamperometry
studies.
Besides,
proposed
electrodes
enjoyed
repeatability,
reproducibility
long‐term
stability.
We
also
demonstrated
successful
application
this
serum.
results
indicated
that
dopamine‐selective
sensors
have
potential
clinical
application.
Juvenile
parkinsonism
is
an
exceedingly
rare
condition
in
which
clinical
signs
of
manifest
before
21
years
age.
Although
the
genetic
underpinnings
this
disorder
are
increasingly
recognized,
full
range
inherited
metabolic
contributors
remains
undefined.
We
present
first
case
levodopa-responsive
juvenile
associated
with
dihydropyrimidinase
deficiency
caused
by
a
novel
DPYS
variant.
A
13-year-old
patient
presented
rapid
progression
dysphagia,
dysarthria,
and
loss
ambulation
over
18
months.
Whole-exome
sequencing
revealed
compound
heterozygous
variants
gene
(NM_001385:
c.1393C>T,
p.R465X,
c.905G>A,
p.R302Q).
In
silico
analysis
predicted
both
to
be
pathogenic.
Further
urinary
metabolome
demonstrated
markedly
elevated
dihydrouracil
dihydrothymine
levels,
confirming
impaired
pyrimidine
metabolism.
Levodopa
treatment
effectively
relieved
patient’s
motor
symptoms.
This
report
identifies
as
cause
underscores
potential
efficacy
levodopa
therapy
managing
dysfunction
DYPS-related
parkinsonism.
Frontiers in Aging Neuroscience,
Год журнала:
2024,
Номер
16
Опубликована: Ноя. 20, 2024
Parkinson's
disease
(PD)
is
an
age-related
neurodegenerative
characterized
by
the
death
of
dopamine
neurons
in
substantia
nigra.
A
large
number
studies
have
focused
on
themselves,
but
so
far,
pathogenesis
PD
has
not
been
fully
elucidated.