Annals of Neurology,
Journal Year:
2023,
Volume and Issue:
93(5)
Published: April 25, 2023
Wiley
is
a
founding
member
of
the
UN-backed
HINARI,
AGORA,
and
OARE
initiatives.They
are
now
collectively
known
as
Research4Life,
making
online
scientific
content
available
free
or
at
nominal
cost
to
researchers
in
developing
countries.
European Journal of Neurology,
Journal Year:
2023,
Volume and Issue:
31(2)
Published: Oct. 25, 2023
Abstract
Background
and
purpose
The
specific
pathophysiological
mechanisms
underlying
postural
instability/gait
difficulty
(PIGD)
cognitive
function
in
Parkinson's
disease
(PD)
remain
unclear.
Both
gait
control,
as
well
function,
are
associated
with
the
cholinergic
basal
forebrain
(cBF)
system.
Methods
A
total
of
84
PD
patients
82
normal
controls
were
enrolled.
Each
participant
underwent
motor
assessments.
Diffusion
tensor
imaging
was
used
to
detect
structural
abnormalities
cBF
segmented
using
FreeSurfer,
its
fiber
tract
traced
probabilistic
tractography.
To
provide
information
on
extracellular
water
accumulation,
free‐water
fraction
(FWf)
quantified.
FWf
tract,
cortical
projection
density,
extracted
for
statistical
analyses.
Results
Patients
had
significantly
higher
(
p
<
0.001)
=
0.021)
than
controls,
lower
occipital
0.001),
parietal
prefrontal
cortex
0.005).
In
patients,
a
correlated
worse
PIGD
score
r
0.306,
0.006)
longer
Trail
Making
Test
time
0.303,
0.007).
Attentional
(Trail
A)
partially
mediated
association
between
(indirect
effect,
*
b
0.071;
c
0.256;
0.006).
Conclusions
Our
findings
suggest
that
degeneration
system
PD,
from
projection,
plays
an
important
role
cognitive−motor
interaction.
medRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 17, 2024
Cognitive
decline
in
Parkinson
disease
(PD)
is
a
disabling
and
highly
variable
non-motor
feature.
While
cholinergic
systems
degeneration
linked
to
cognitive
impairments
PD,
most
prior
research
reported
cross-sectional
associations.
We
aimed
fill
this
gap
by
investigating
whether
baseline
regional
cerebral
vesicular
acetylcholine
transporter
ligand
[
Anesthesia & Analgesia,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 11, 2024
Anesthesia
induction
and
emergence
are
critical
periods
for
perioperative
safety
in
the
clinic.
Traditionally,
from
general
anesthesia
has
been
recognized
as
a
simple
inverse
process
of
resulting
elimination
anesthetics
central
nervous
system.
However,
accumulated
evidence
indicated
that
not
mirror-image
processes
because
occurrence
hysteresis/neural
inertia
both
animals
humans.
An
increasing
number
studies
have
highlighted
role
orexinergic
neurons
their
involved
circuits
selective
regulation
but
anesthesia.
Moreover,
additional
brain
regions
also
implicated
distinct
neural
mechanisms
emergence,
which
extends
concept
anesthetic
antiparallel
processes.
Here,
we
reviewed
current
literature
summarized
regarding
differential
mechanism
modulation
will
facilitate
understanding
underlying
Journal of Neurochemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
Abstract
Parkinson's
disease
(PD)
is
the
second‐fastest
growing
neurodegenerative
in
world.
The
major
clinical
symptoms
rigor,
tremor,
and
bradykinesia
derive
from
degeneration
of
nigrostriatal
pathway.
However,
PD
a
multi‐system
disease,
neurodegeneration
extends
beyond
degradation
dopaminergic
Symptoms
such
as
postural
instability,
freezing
gait,
falls,
cognitive
decline
are
predominantly
caused
by
alterations
transmitter
systems
outside
classical
axis.
While
levodopa
deep
brain
stimulation
(DBS)
subthalamic
nucleus
or
globus
pallidus
internus
effectively
address
primary
motor
symptoms,
they
often
fall
short
mitigating
axial
impairment.
Along
these
lines,
cholinergic
system
increasingly
recognized
to
play
crucial
role
governing
locomotion,
stability,
function.
Thus,
there
interest
bolstering
tone
DBS
targets
pedunculopontine
(PPN)
basalis
Meynert
(NBM),
aiming
alleviate
debilitating
resistant
traditional
treatment
strategies
targeting
network.
This
review
offers
comprehensive
overview
dysfunction
PD.
We
discuss
impact
PPN
NBM
on
management
not
readily
accessible
established
pharmacotherapy
seek
provide
guidance
patient
selection,
surgical
approach,
paradigms.
image
Annals of Neurology,
Journal Year:
2023,
Volume and Issue:
93(5)
Published: April 25, 2023
Wiley
is
a
founding
member
of
the
UN-backed
HINARI,
AGORA,
and
OARE
initiatives.They
are
now
collectively
known
as
Research4Life,
making
online
scientific
content
available
free
or
at
nominal
cost
to
researchers
in
developing
countries.