TDP‐43 Cryptic RNAs in Perry Syndrome: Differences across Brain Regions and TDP‐43 Proteinopathies
Movement Disorders,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
Abstract
Background
Perry
syndrome
(PS)
is
a
rare
and
fatal
hereditary
autosomal
dominant
neurodegenerative
disorder
caused
by
mutations
in
dynactin
(
DCTN1
).
PS
brains
accumulate
inclusions
positive
for
ubiquitin,
transactive‐response
DNA‐binding
protein
of
43
kDa
(TDP‐43),
to
lesser
extent
dynactin.
Objectives
Little
known
regarding
the
contributions
TDP‐43,
an
RNA
binding
that
represses
cryptic
exon
inclusion,
PS.
Therefore,
we
sought
identify
degree
TDP‐43
dysfunction
two
regions
brains.
Methods
We
evaluated
levels
insoluble
pTDP‐43
TDP‐43‐regulated
RNAs
caudate
nucleus
substantia
nigra
7
cases,
12
cases
frontotemporal
lobar
degeneration
(FTLD)
with
pathology,
11
cognitively
healthy
controls
without
pathology.
Results
Insoluble
were
detected
similar
but
lower
than
those
FTLD
The
showed
accumulation
eight
ACTL6B
,
CAMK2B
STMN2
UNC13A
KCNQ2
ATG4B
GPSM2
HDGFL2
)
(HDGFL2)
characteristic
FTLD.
Conversely,
only
one
target,
reached
significance
despite
levels.
Conclusion
nucleus.
Given
importance
biology
development
biomarkers,
identification
novel
targets
therapeutic
intervention,
it
imperative
understand
consequences
across
different
brain
determine
are
specific
common
proteinopathies.
©
2025
Author(s).
Movement
Disorders
published
Wiley
Periodicals
LLC
on
behalf
International
Parkinson
Disorder
Society.
Язык: Английский
Genetic heterogeneity of early onset Parkinson disease: The dilemma of clinico-genetic correlation
Parkinsonism & Related Disorders,
Год журнала:
2024,
Номер
unknown, С. 107146 - 107146
Опубликована: Сен. 1, 2024
Язык: Английский
Genetic Screening for Prkn and Pink1 in Patients with Early-Onset Parkinson's Disease from Ecuador
Опубликована: Янв. 1, 2024
Язык: Английский
Widespread Distribution of α-Synuclein Oligomers inLRRK2-related Parkinson's Disease
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 20, 2024
Abstract
Mutations
in
leucine-rich
repeat
kinase
2
(
LRRK2
)
are
the
most
common
cause
of
familial
and
sporadic
Parkinson’s
disease
(PD).
While
clinical
features
-PD
patients
resemble
those
typical
PD,
there
significant
differences
pathological
findings.
The
hallmark
definite
PD
is
presence
α-synuclein
(αSYN)-positive
Lewy-related
pathology;
however,
approximately
half
cases
do
not
have
pathology.
pathology
a
late-stage
αSYN
aggregation
that
can
be
visualized
with
hematoxylin
eosin
stains
or
conventional
immunohistochemistry
(IHC).
Increasing
evidence
has
indicated
oligomers,
which
represent
early-stage
aggregation,
may
neurotoxicity.
Visualization
oligomers
requires
specialized
staining
techniques,
such
as
αSYN-proximity
ligation
assay
(PLA).
distribution
severity
human
brain
remain
unknown.
In
this
study,
we
performed
phosphorylated
αSYN-IHC
αSYN-PLA
on
postmortem
sections
three
pathogenic
mutants:
p.G2019S
(n=5),
p.I2020T
p.R1441C
(n=4).
were
assessed
semi-quantitatively
brainstem,
limbic
lobe,
basal
ganglia,
cerebral
cortex.
detected
even
without
negative
correlation
was
observed
between
(r=-0.26
[-0.39,
-0.12];
P<0.0001).
Our
findings
suggest
feature
-PD.
Notably,
harboring
had
significantly
higher
levels
compared
to
These
also
trend
toward
shorter
duration.
results
imply
-PD,
initially
accumulate
but
progress
form
present
study
suggests
targeting
therapeutic
strategy
for
if
no
Язык: Английский
Satisfaction and Preferences for Infusion Therapies in Advanced Parkinson’s Disease—Patient Perspective
Medicina,
Год журнала:
2024,
Номер
61(1), С. 27 - 27
Опубликована: Дек. 28, 2024
Background
and
Objectives:
The
rapid
growth
of
the
number
advanced
Parkinson’s
disease
(PD)
patients
has
caused
a
significant
increase
in
use
device-aided
therapies
(DATs),
including
levodopa–carbidopa
intestinal
gel
(LCIG)
continuous
subcutaneous
apomorphine
infusion
(CSAI).
objective
this
study
was
to
evaluate
patients’
satisfaction
factors
influencing
preferences
for
CSAI
LCIG.
Materials
Methods:
research
focused
on
individuals
diagnosed
with
PD
undergoing
DAT
at
Neurology
Department
University
Hospital
Katowice.
A
telephone
survey
conducted
between
June
July
2024
evaluated
experiences
LCIG
CSAI.
Disease
Questionnaire
(PDQ-8)
Stress
Scale
Family
Caregivers
(BSFC-s)
were
applied.
Based
medical
record
data
comprising
reasons
exclusion
individuals,
disease-related
treatment
collected.
Results:
Among
original
cohort
64
patients,
50
completed
survey,
31
who
might
choose
therapies.
average
patient
ages
70.6
±
4.7
(CSAI)
71.2
7.2
years
(LCIG),
durations
15
(IQR:
12–19)
18
13–19)
years,
respectively.
presented
higher
PDQ-8
scores
(20
13–27)
vs.
13
6–19),
p
=
0.008),
BSFC-s
(19
12–21)
9
2.5–13),
0.011).
Furthermore,
included
fear
surgery
(75%
36.8%,
0.043)
concerns
about
safety
(83.3%
47.4%,
0.049).
Conclusions:
offer
benefits
disadvantages,
seeming
be
decisive
decision-making
process.
Язык: Английский