Mitochondrial Dysfunction in Neurodegenerative Diseases
Cells,
Год журнала:
2025,
Номер
14(4), С. 276 - 276
Опубликована: Фев. 13, 2025
Mitochondrial
dysfunction
represents
a
pivotal
characteristic
of
numerous
neurodegenerative
disorders,
including
Alzheimer's
disease,
Parkinson's
Huntington's
and
amyotrophic
lateral
sclerosis.
These
conditions,
distinguished
by
unique
clinical
pathological
features,
exhibit
shared
pathways
leading
to
neuronal
damage,
all
which
are
closely
associated
with
mitochondrial
dysfunction.
The
high
metabolic
requirements
neurons
make
even
minor
deficiencies
highly
impactful,
driving
oxidative
stress,
energy
deficits,
aberrant
protein
processing.
Growing
evidence
from
genetic,
biochemical,
cellular
investigations
associates
impaired
electron
transport
chain
activity
disrupted
quality-control
mechanisms,
such
as
mitophagy,
the
initial
phases
disease
progression.
Furthermore,
overproduction
reactive
oxygen
species
persistent
neuroinflammation
can
establish
feedforward
cycles
that
exacerbate
deterioration.
Recent
research
has
increasingly
focused
on
interventions
aimed
at
enhancing
resilience-through
antioxidants,
small
molecules
modulate
balance
fusion
fission,
or
gene-based
therapeutic
strategies.
Concurrently,
initiatives
identify
dependable
biomarkers
seek
detect
changes
prior
manifestation
overt
symptoms.
By
integrating
current
body
knowledge,
this
review
emphasizes
critical
role
preserving
homeostasis
viable
approach.
It
also
addresses
complexities
translating
these
findings
into
practice
underscores
potential
innovative
strategies
designed
delay
potentially
halt
processes.
Язык: Английский
Mitochondrial DNA copy number and Alzheimer’s disease and Parkinson disease
Mitochondrion,
Год журнала:
2025,
Номер
unknown, С. 102032 - 102032
Опубликована: Март 1, 2025
Язык: Английский
Association between proton pump inhibitors and dementia risk: a Mendelian randomization study
Kexin Xie,
Jing Li,
Chengwei Tang
и другие.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Ноя. 19, 2024
Numerous
observational
studies
suggest
associations
between
proton
pump
inhibitors
(PPIs)
and
dementia,
but
causal
relationships
remain
uncertain.
Using
large-scale
genome-wide
association
study
(GWAS)
data,
we
performed
univariable
Mendelian
randomization
(UVMR)
analysis
to
assess
the
causality
five
PPI
types,
all-cause
dementia
its
subtypes.
Confounders
were
controlled
through
multivariable
MR
(MVMR)
isolate
PPIs'
direct
effects
on
dementia.
Heterogeneity
pleiotropy
assessments,
leave-one-out
analysis,
conducted
validate
robustness
of
our
results.
Initial
UVMR
estimates
suggested
that
lansoprazole
(odds
ratio
[OR]
1.291;
95%confidence
interval
[CI]
1.001–1.665;
p
=
0.049)
pantoprazole
(OR
1.118;
95%
CI
1.014–1.233;
0.025)
potentially
increased
VD
risk,
with
their
respective
also
discovered
in
MVMR.
Additionally,
FTD
was
found
reversely
increase
rabeprazole
use
1.086;
1.011–1.167;
0.023).
However,
after
adjustment
for
false
discovery
rate
(FDR),
none
these
remained
statistically
significant
(pFDR>
0.05).
The
results
is
supported
by
consistent
across
complementary
methods
absence
pleiotropy.
Our
indicates
no
robust
risk.
Thus,
it
inappropriate
restrict
clinically
justified
prescriptions
merely
due
potential
cognitive
risks.
Язык: Английский
Alzheimer's Disease Sequencing Project Release 4 Whole Genome Sequencing Dataset
medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 6, 2024
The
Alzheimer's
Disease
Sequencing
Project
(ADSP)
is
a
national
initiative
to
understand
the
genetic
architecture
of
and
Related
Dementias
(AD/ADRD)
by
sequencing
whole
genomes
affected
participants
age-matched
cognitive
controls
from
diverse
populations.
Genome
Center
for
(GCAD)
processed
whole-genome
data
36,361
ADSP
participants,
including
35,014
genetically
unique
which
45%
are
non-European
ancestry,
across
17
cohorts
in
14
countries
this
fourth
release
(R4).
This
effort
identified
387
million
bi-allelic
variants,
42
short
insertions/deletions,
2.2
structural
variants.
Annotations
quality
control
available
all
variants
samples.
Additionally,
detailed
phenotypes
15,927
10
domains
also
provided.
A
linkage
disequilibrium
panel
was
created
using
unrelated
AD
cases
controls.
Researchers
can
access
analyze
via
NIAGADS
Data
Sharing
Service,
VariXam
tool,
or
GenomicsDB.
Язык: Английский