Artificial Intelligence Review,
Journal Year:
2024,
Volume and Issue:
57(2)
Published: Feb. 3, 2024
Abstract
Alzheimer’s
disease
affects
around
one
in
every
nine
persons
among
the
elderly
population.
Being
a
neurodegenerative
disease,
its
cure
has
not
been
established
till
date
and
is
managed
through
supportive
care
by
health
providers.
Thus,
early
diagnosis
of
this
crucial
step
towards
treatment
plan.
There
exist
several
diagnostic
procedures
viz.,
clinical,
scans,
biomedical,
psychological,
others
for
disease’s
detection.
Computer-aided
techniques
aid
detection
past,
such
mechanisms
have
proposed.
These
utilize
machine
learning
models
to
develop
classification
system.
However,
focus
these
systems
now
gradually
shifted
newer
deep
models.
In
regards,
article
aims
providing
comprehensive
review
present
state-of-the-art
as
snapshot
last
5
years.
It
also
summarizes
various
tools
datasets
available
development
that
provide
fundamentals
field
novice
researcher.
Finally,
we
discussed
need
exploring
biomarkers,
identification
extraction
relevant
features,
trade-off
between
traditional
essence
multimodal
datasets.
This
enables
both
medical,
engineering
researchers
developers
address
identified
gaps
an
effective
system
disease.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
51(2), P. 513 - 565
Published: Dec. 10, 2021
We
discuss
novel
approaches
for
embracing
and
reproducing
complexity
of
Tau
pathology
required
developing
disease-relevant
diagnostics
effective
therapies.
Trends in Neurosciences,
Journal Year:
2023,
Volume and Issue:
46(3), P. 176 - 198
Published: Jan. 13, 2023
Neurological
and
psychiatric
diseases
have
high
degrees
of
genetic
pathophysiological
heterogeneity,
irrespective
clinical
manifestations.
Traditional
medical
paradigms
focused
on
late-stage
syndromic
aspects
these
diseases,
with
little
consideration
the
underlying
biology.
Advances
in
disease
modeling
methodological
design
paved
way
for
development
precision
medicine
(PM),
an
established
concept
oncology
growing
attention
from
other
specialties.
We
propose
a
PM
architecture
central
nervous
system
built
four
converging
pillars:
multimodal
biomarkers,
systems
medicine,
digital
health
technologies,
data
science.
discuss
Alzheimer's
(AD),
area
significant
unmet
need,
as
case-in-point
proposed
framework.
AD
can
be
seen
one
most
advanced
PM-oriented
models
compelling
catalyzer
towards
neuroscience
drug
healthcare
practice.
National Science Review,
Journal Year:
2024,
Volume and Issue:
11(5)
Published: Feb. 27, 2024
ABSTRACT
Virtual
brain
twins
are
personalized,
generative
and
adaptive
models
based
on
data
from
an
individual’s
for
scientific
clinical
use.
After
a
description
of
the
key
elements
virtual
twins,
we
present
standard
model
personalized
whole-brain
network
models.
The
personalization
is
accomplished
using
subject’s
imaging
by
three
means:
(1)
assemble
cortical
subcortical
areas
in
subject-specific
space;
(2)
directly
map
connectivity
into
models,
which
can
be
generalized
to
other
parameters;
(3)
estimate
relevant
parameters
through
inversion,
typically
probabilistic
machine
learning.
We
use
healthy
ageing
five
diseases:
epilepsy,
Alzheimer’s
disease,
multiple
sclerosis,
Parkinson’s
disease
psychiatric
disorders.
Specifically,
introduce
spatial
masks
demonstrate
their
physiological
pathophysiological
hypotheses.
Finally,
pinpoint
challenges
future
directions.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: March 23, 2024
Abstract
The
complex
biological
mechanisms
underlying
human
brain
aging
remain
incompletely
understood.
This
study
investigated
the
genetic
architecture
of
three
age
gaps
(BAG)
derived
from
gray
matter
volume
(GM-BAG),
white
microstructure
(WM-BAG),
and
functional
connectivity
(FC-BAG).
We
identified
sixteen
genomic
loci
that
reached
genome-wide
significance
(P-value
<
5×10
−8
).
A
gene-drug-disease
network
highlighted
genes
linked
to
GM-BAG
for
treating
neurodegenerative
neuropsychiatric
disorders
WM-BAG
cancer
therapy.
displayed
most
pronounced
heritability
enrichment
in
variants
within
conserved
regions.
Oligodendrocytes
astrocytes,
but
not
neurons,
exhibited
notable
WM
FC-BAG,
respectively.
Mendelian
randomization
potential
causal
effects
several
chronic
diseases
on
aging,
such
as
type
2
diabetes
AD
WM-BAG.
Our
results
provide
insights
into
genetics
with
clinical
implications
lifestyle
therapeutic
interventions.
All
are
publicly
available
at
https://labs.loni.usc.edu/medicine
.
Journal of Neuroinflammation,
Journal Year:
2021,
Volume and Issue:
18(1)
Published: Dec. 22, 2021
Abstract
Selective
autophagy
is
an
evolutionarily
conserved
mechanism
that
removes
excess
protein
aggregates
and
damaged
intracellular
components.
Most
eukaryotic
cells,
including
neurons,
rely
on
proficient
mitophagy
responses
to
fine-tune
the
mitochondrial
number
preserve
energy
metabolism.
In
some
circumstances
(such
as
presence
of
pathogenic
oligopolymers
mutations),
dysfunctional
leads
nerve
degeneration,
with
age-dependent
accumulation
organelles,
leading
neurodegenerative
disease.
However,
when
oligopolymers,
mutations,
stress,
or
injury
are
present,
prevents
mitochondria.
Accordingly,
mediates
neuroprotective
effects
in
forms
disease
(e.g.,
Alzheimer's
disease,
Parkinson’s
Huntington's
Amyotrophic
lateral
sclerosis)
acute
brain
damage
stroke,
hypoxic–ischemic
injury,
epilepsy,
traumatic
injury).
The
complex
interplay
between
neurological
disorders
suggests
targeting
might
be
applicable
for
treatment
diseases
injury.
due
complexity
mechanism,
can
both
harmful
beneficial,
future
efforts
should
focus
maximizing
its
benefits.
Here,
we
discuss
impact
disorders,
emphasizing
contrast
positive
negative
mitophagy.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: May 7, 2023
An
early
disruption
of
neuronal
excitation-inhibition
(E-I)
balance
in
preclinical
animal
models
Alzheimer's
disease
(AD)
has
been
frequently
reported,
but
is
difficult
to
measure
directly
and
non-invasively
humans.
Here,
we
examined
known
novel
neurophysiological
measures
sensitive
E-I
patients
across
the
AD
continuum.
Resting-state
magnetoencephalography
(MEG)
data
86
amyloid-biomarker-confirmed
subjects
continuum
(17
diagnosed
with
subjective
cognitive
decline,
18
mild
impairment
(MCI)
51
dementia
due
probable
(AD
dementia)),
46
healthy
elderly
20
young
control
were
reconstructed
source-space.
was
investigated
by
detrended
fluctuation
analysis
(DFA),
a
functional
E/I
(fE/I)
algorithm,
aperiodic
exponent
power
spectrum.
We
found
disrupted
ratio
specifically,
lower
DFA,
shift
towards
higher
excitation,
fE/I
exponent.
Healthy
showed
ratios
(<
1.0)
than
reported
previous
literature,
not
explained
age
or
choice
an
arbitrary
threshold
parameter,
which
warrants
caution
interpretation
results.
Correlation
analyses
that
DFA
(E-I
imbalance)
(more
excitation)
associated
worse
score
patients.
In
contrast,
hippocampi
MCI
score.
This
MEG-study
imbalance,
likely
increased
dementia,
stage
To
accurately
determine
direction
balance,
validations
currently
used
markers
additional
vivo
are
required.