Journal of Neurology,
Journal Year:
2023,
Volume and Issue:
270(6), P. 3082 - 3090
Published: Feb. 28, 2023
Abstract
Background
To
date,
the
role
of
blood
lipid
levels
and
their
association
with
onset
prognosis
ALS
is
controversial.
We
explored
these
associations
in
a
large,
population-based
case–control
study.
Methods
Between
October
2010
June
2014,
336
patients
(mean
age
65.7
±
10.7;
57.7%
male)
487
sex-
age-matched
controls
from
same
geographic
region
were
recruited
within
registry
Southwest
Germany.
Triglycerides
cholesterol
(high-density
lipoprotein
(HDL),
low-density
(LDL),
total)
measured.
The
cohort
was
followed
up
for
vital
status.
Conditional
logistic
regression
models
applied
to
calculate
odds
ratio
(OR)
risk
associated
serum
concentrations.
In
only,
survival
used
appraise
prognostic
value.
Results
High
concentration
total
(OR
1.60,
95%
confidence
interval
(CI)
1.03–2.49,
top
vs.
bottom
quartile),
but
not
HDL,
LDL,
LDL–HDL
ratio,
or
triglycerides,
positively
ALS.
During
median
follow-up
time
88.9
months,
291
deaths
occurred
among
patients.
adjusted
analysis,
higher
HDL
(HR
1.72,
CI
1.19–2.50)
LDL
1.58,
1.11–2.26)
mortality
contrast,
triglyceride
lower
0.68,
0.48–0.96).
Conclusion
results
highlight
importance
distinguish
triglycerides
when
considering
metabolism
It
further
strengthens
rationale
triglyceride-rich
diet,
while
negative
impact
must
be
explored.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: May 29, 2023
Retromer
controls
cellular
homeostasis
through
regulating
integral
membrane
protein
sorting
and
transport
by
controlling
maturation
of
the
endo-lysosomal
network.
dysfunction,
which
is
linked
to
neurodegenerative
disorders
including
Parkinson's
Alzheimer's
diseases,
manifests
in
complex
phenotypes,
though
precise
nature
this
its
relation
neurodegeneration,
remain
unclear.
Here,
we
perform
an
integrated
multi-omics
approach
provide
insight
into
impact
dysfunction
on
health
within
a
human
neuroglioma
cell
model.
We
quantify
widespread
changes
lysosomal
proteome,
indicative
broad
inefficient
autophagic
lysosome
reformation,
coupled
with
reconfigured
surface
proteome
secretome
reflective
increased
exocytosis.
Through
global
proteomic
parallel
transcriptomic
analysis,
holistic
view
function
emphasise
role
neuroprotection.
Experimental & Molecular Medicine,
Journal Year:
2024,
Volume and Issue:
56(8), P. 1685 - 1690
Published: Aug. 1, 2024
The
brain
contains
the
highest
concentration
of
cholesterol
in
human
body,
which
emphasizes
importance
physiology.
Cholesterol
is
involved
neurogenesis
and
synaptogenesis,
age-related
reductions
levels
can
lead
to
synaptic
loss
impaired
plasticity,
potentially
contribute
neurodegeneration.
maintenance
homeostasis
neuronal
plasma
membrane
essential
for
normal
function,
imbalances
distribution
are
associated
with
various
neurodegenerative
disorders,
including
Alzheimer's
disease,
Parkinson's
Huntington's
disease.
This
review
aims
explore
molecular
pathological
mechanisms
by
imbalance
neurotransmission
defects
neurodegeneration,
focusing
on
four
key
mechanisms:
(1)
dysfunction,
(2)
alterations
structure
protein
clustering,
(3)
oligomers
amyloid
beta
(Aβ)
protein,
(4)
α-synuclein
aggregation.
Frontiers in Human Neuroscience,
Journal Year:
2025,
Volume and Issue:
19
Published: Jan. 27, 2025
Introduction
Previous
researches
have
often
underestimated
the
diversity
and
combined
effects
of
risk
factors
for
Parkinson’s
disease
(PD).
This
study
aimed
to
identify
how
multiple
modifiable
collectively
impact
PD.
Methods
The
included
452,492
participants
from
UK
Biobank,
utilizing
genetic
data
255
phenotypic
variables.
A
broad
exposure
association
was
conducted
across
seven
domains:
socioeconomic
status,
medical
history,
psychosocial
factors,
physical
measures,
early
life,
local
environment,
lifestyle.
Risk
scores
each
domain
participant
were
generated.
joint
risks
assessed
using
Cox
proportional
hazards
model.
Population
attributable
fraction
(PAF)
estimated
quantify
contribution
ratio
in
different
domains
occurrence
Results
Multiple
significantly
(
p
<
1.96
×
10
−4
)
associated
with
PD
observed.
top
5
hand
grip
strength
(hazard
(HR)
=
0.98,
1.59
−24
),
long-standing
illness
(HR
1.38,
3.63
−20
self-reported
nervousness
1.56,
5.9
ever
suffered
mental
health
concerns
1.42,
5.48
−18
chest
pain
1.43
).
Individuals
unfavorable
lifestyle
had
an
increased
by
33
51%
compared
those
favorable
0.001).
Discussion
indicated
that
addressing
especially
measures
psychological
could
potentially
prevent
up
33.87%
cases.
In
formulating
prevention
strategies,
it
is
recommended
prioritize
such
as
lifestyle,
history.
Frontiers in Aging Neuroscience,
Journal Year:
2022,
Volume and Issue:
14
Published: April 19, 2022
Huntington’s
disease
(HD)
is
an
autosomal
dominant
genetic
disorder
caused
by
expansion
of
the
CAG
repeat
in
first
exon
Huntingtin’s
gene.
The
associated
neurodegeneration
mainly
affects
striatum
and
cortex
at
early
stages
progressively
spreads
to
other
brain
structures.
Targeting
HD
its
earlier
under
intense
investigation.
Numerous
drugs
were
tested,
with
a
rate
success
only
3.5%
approved
molecules
used
as
symptomatic
treatment.
restoration
cholesterol
metabolism,
which
central
homeostasis
strongly
altered
HD,
could
be
interesting
disease-modifying
strategy.
Cholesterol
essential
membrane
component
nervous
system
(CNS);
alterations
have
deleterious
consequences
on
neuronal
functions.
levels
several
sterols,
upstream
cholesterol,
are
markedly
decreased
within
mouse
model.
Transcription
biosynthetic
genes
reduced
cell
models
well
post-mortem
striatal
cortical
tissues
from
patients.
Since
dynamic
metabolism
complex,
it
establish
best
method
target
HD.
Cholesterol,
does
not
cross
blood-brain-barrier,
locally
synthesized
renewed
brain.
All
types
CNS
synthesize
during
development
but
they
progress
through
adulthood,
neurons
down-regulate
their
synthesis
turn
astrocytes
for
full
supply.
Cellular
reflect
balance
between
synthesis,
uptake
export,
all
integrated
into
context
talk
glial
cells.
In
this
review,
we
describe
latest
advances
regarding
role
deregulation
functions
how
determinant
factor
degeneration
progression.
pathways
major
mechanisms
sterols
regulated
will
described.
From
overview,
discuss
main
clinical
strategies
manipulating
CNS,
reinstate
proper
Frontiers in Neuroscience,
Journal Year:
2022,
Volume and Issue:
16
Published: April 7, 2022
Alzheimer’s
disease
(AD),
the
most
common
cause
of
dementia,
is
a
complex
and
multifactorial
involving
genetic
environmental
factors,
with
hypercholesterolemia
considered
as
one
risk
factors.
Numerous
epidemiological
studies
have
reported
positive
association
between
AD
serum
cholesterol
levels,
experimental
also
provide
evidence
that
elevated
levels
accelerate
pathology.
However,
underlying
mechanism
accelerating
pathogenesis
not
clear.
Here,
we
review
metabolism
in
brain
focus
on
role
oxysterols,
aiming
to
reveal
link
AD.
27-hydroxycholesterol
(27-OHC)
major
peripheral
oxysterol
flows
into
brain,
it
affects
β-amyloid
(Aβ)
production
elimination
well
influencing
other
pathogenic
mechanisms
Although
potential
established,
cholesterol-lowering
drugs
show
mixed
results
improving
cognitive
function.
Nevertheless,
target
exocytosis
conversion
benefits
Herbs
natural
compounds
properties
ameliorating
cognition.
Collectively,
causative
factor
for
AD,
27-OHC
likely
promote
Drugs
regulate
are
probably
beneficial
but
more
research
needed
unravel
involved
27-OHC,
which
may
lead
new
therapeutic
strategies
Cell Reports,
Journal Year:
2022,
Volume and Issue:
39(5), P. 110776 - 110776
Published: May 1, 2022
Assemblies
of
tau
can
transit
between
neurons,
seeding
aggregation
in
a
prion-like
manner.
To
accomplish
this,
must
cross
cell-limiting
membranes,
process
that
is
poorly
understood.
Here,
we
establish
assays
for
the
study
entry
into
cytosol
as
phenomenon
distinct
from
uptake,
real
time,
and
at
physiological
concentrations.
The
pathway
cell
type
specific
and,
highly
sensitive
to
cholesterol.
Depletion
cholesterol
transporter
Niemann-Pick
C1
or
extraction
membrane
renders
neurons
permissive
potentiates
even
low
levels
exogenous
assemblies.
Conversely,
supplementation
reduces
almost
completely
blocks
seeded
aggregation.
Our
findings
rate-limiting
step
demonstrate
dysregulated
cholesterol,
feature
several
neurodegenerative
diseases,
by
promoting
assemblies
interior.