Autophagy,
Journal Year:
2013,
Volume and Issue:
9(9), P. 1308 - 1320
Published: Sept. 3, 2013
Amyotrophic
lateral
sclerosis
(ALS)
is
a
fatal
motoneuron
disease
with
no
current
effective
treatment.
Accumulation
of
abnormal
protein
inclusions
containing
SOD1,
TARDBP,
FUS,
among
other
proteins,
pathological
hallmark
ALS.
Autophagy
the
major
degradation
pathway
involved
in
clearance
damaged
organelles
and
aggregates.
Although
autophagy
has
been
shown
to
efficiently
degrade
ALS-linked
mutant
cell
culture
models,
several
studies
suggest
that
impairment
may
also
contribute
pathogenesis.
In
this
report,
we
tested
potential
use
trehalose,
disaccharide
induces
MTOR-independent
autophagy,
development
experimental
Administration
trehalose
SOD1
transgenic
mice
significantly
prolonged
life
span
attenuated
progression
signs.
These
effects
were
associated
decreased
accumulation
aggregates
enhanced
survival.
The
protective
increased
levels
motoneurons.
Cell
experiments
demonstrated
led
by
NSC34
cells
protected
primary
motoneurons
against
toxicity
conditioned
media
from
astrocytes.
At
mechanistic
level,
treatment
significant
upregulation
expression
key
autophagy-related
genes
at
mRNA
level
including
Lc3,
Becn1,
Sqstm1
Atg5.
Consistent
these
changes,
administration
nuclear
translocation
FOXO1,
an
important
transcription
factor
activation
neurons.
This
study
suggests
enhancers
for
The Lancet Neurology,
Journal Year:
2013,
Volume and Issue:
12(5), P. 435 - 442
Published: March 29, 2013
Mutations
in
SOD1
cause
13%
of
familial
amyotrophic
lateral
sclerosis.
In
the
Gly93Ala
rat
model
sclerosis,
antisense
oligonucleotide
ISIS
333611
delivered
to
CSF
decreased
mRNA
and
protein
concentrations
spinal
cord
tissue
prolonged
survival.
We
aimed
assess
safety,
tolerability,
pharmacokinetics
after
intrathecal
administration
patients
with
SOD1-related
sclerosis.In
this
randomised,
placebo-controlled,
phase
1
trial,
we
by
infusion
using
an
external
pump
over
11·5
h
at
increasing
doses
(0·15
mg,
0·50
1·50
3·00
mg)
four
cohorts
eight
SOD1-positive
sclerosis
(six
assigned
333611,
two
placebo
each
cohort).
did
randomisation
a
web-based
system,
assigning
blocks
four.
Patients
investigators
were
masked
treatment
assignment.
Participants
allowed
re-enrol
subsequent
cohorts.
Our
primary
objective
was
safety
tolerability
333611.
Assessments
done
during
28
days
infusion.
This
study
registered
Clinicaltrials.gov,
number
NCT01041222.Seven
(88%)
group
versus
20
24
(83%)
had
adverse
events.
The
most
common
events
post-lumbar
puncture
syndrome
(3/8
[38%]
vs
8/24
[33%]),
back
pain
(4/8
[50%]
4/24
[17%]),
nausea
(0/8
[0%]
3/24
[13%]).
recorded
no
dose-limiting
toxic
effects
or
any
concerns
related
No
serious
occurred
given
Re-enrolment
re-treatment
also
well
tolerated.This
trial
is
first
clinical
delivery
oligonucleotide.
tolerated
when
administered
as
Antisense
oligonucleotides
CNS
might
be
feasible
for
neurological
disorders.The
ALS
Association,
Muscular
Dystrophy
Isis
Pharmaceuticals.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
121(4), P. 2545 - 2647
Published: Feb. 5, 2021
Protein
misfolding
and
aggregation
is
observed
in
many
amyloidogenic
diseases
affecting
either
the
central
nervous
system
or
a
variety
of
peripheral
tissues.
Structural
dynamic
characterization
all
species
along
pathways
from
monomers
to
fibrils
challenging
by
experimental
computational
means
because
they
involve
intrinsically
disordered
proteins
most
diseases.
Yet
understanding
how
amyloid
become
toxic
challenge
developing
treatment
for
these
Here
we
review
what
computer,
vitro,
vivo,
pharmacological
experiments
tell
us
about
accumulation
deposition
oligomers
(Aβ,
tau),
α-synuclein,
IAPP,
superoxide
dismutase
1
proteins,
which
have
been
mainstream
concept
underlying
Alzheimer's
disease
(AD),
Parkinson's
(PD),
type
II
diabetes
(T2D),
amyotrophic
lateral
sclerosis
(ALS)
research,
respectively,
years.
Chemical Reviews,
Journal Year:
2018,
Volume and Issue:
119(2), P. 1221 - 1322
Published: Aug. 10, 2018
Neurodegenerative
diseases
pose
a
substantial
socioeconomic
burden
on
society.
Unfortunately,
the
aging
world
population
and
lack
of
effective
cures
foreshadow
negative
outlook.
Although
large
amount
research
has
been
dedicated
to
elucidating
pathologies
neurodegenerative
diseases,
their
principal
causes
remain
elusive.
Metal
ion
dyshomeostasis,
proteopathy,
oxidative
stress,
neurotransmitter
deficiencies
are
pathological
features
shared
across
multiple
disorders.
In
addition,
these
factors
proposed
be
interrelated
upon
disease
progression.
Thus,
development
multifunctional
compounds
capable
simultaneously
interacting
with
several
components
suggested
as
solution
undertake
complex
diseases.
this
review,
we
outline
discuss
possible
therapeutic
targets
in
Alzheimer's
disease,
Parkinson's
amyotrophic
lateral
sclerosis
molecules,
previously
designed
or
discovered
potential
drug
candidates
for
disorders
emphasis
multifunctionality.
underrepresented
areas
discussed
indicate
new
directions.
Neuroscience Letters,
Journal Year:
2017,
Volume and Issue:
710, P. 132933 - 132933
Published: June 30, 2017
Mitochondria
are
unique
organelles
that
essential
for
a
variety
of
cellular
processes
including
energy
metabolism,
calcium
homeostasis,
lipid
biosynthesis,
and
apoptosis.
Mitochondrial
dysfunction
is
prevalent
feature
many
neurodegenerative
diseases
motor
neuron
disorders
such
as
amyotrophic
lateral
sclerosis
(ALS).
Disruption
mitochondrial
structure,
dynamics,
bioenergetics
buffering
has
been
extensively
reported
in
ALS
patients
model
systems
suggested
to
be
directly
involved
disease
pathogenesis.
Here
we
review
the
alterations
parameters
examine
common
pathways
dysfunction.
Chemical Society Reviews,
Journal Year:
2014,
Volume and Issue:
43(19), P. 6727 - 6749
Published: Jan. 1, 2014
Metals
are
functionally
essential,
but
redistribute
in
neurodegenerative
disease
where
they
induce
protein
aggregates,
catalyze
radical
formation,
and
lose
bioavailability.
Human Molecular Genetics,
Journal Year:
2014,
Volume and Issue:
23(13), P. 3579 - 3595
Published: Feb. 18, 2014
Intronic
expansion
of
a
hexanucleotide
GGGGCC
repeat
in
the
chromosome
9
open
reading
frame
72
(C9ORF72)
gene
is
major
cause
familial
amyotrophic
lateral
sclerosis
(ALS)
and
frontotemporal
dementia.
However,
cellular
function
C9ORF72
protein
remains
unknown.
Here,
we
demonstrate
that
regulates
endosomal
trafficking.
colocalized
with
Rab
proteins
implicated
autophagy
endocytic
transport:
Rab1,
Rab5,
Rab7
Rab11
neuronal
cell
lines,
primary
cortical
neurons
human
spinal
cord
motor
neurons,
consistent
previous
predictions
bears
guanine
exchange
factor
activity.
Consistent
this
notion,
was
present
extracellular
space
as
cytoplasmic
vesicles.
Depletion
using
siRNA
inhibited
transport
Shiga
toxin
from
plasma
membrane
to
Golgi
apparatus,
internalization
TrkB
receptor
altered
ratio
autophagosome
marker
light
chain
3
(LC3)
II:LC3I,
indicating
endocytosis
autophagy.
also
ubiquilin-2
LC3-positive
vesicles,
co-migrated
lysosome-stained
vesicles
providing
further
evidence
Investigation
interacting
mass
spectrometry
identified
other
ALS;
heterogeneous
nuclear
ribonucleoproteins,
hnRNPA2/B1
hnRNPA1,
actin.
Treatment
cells
overexpressing
proteasome
inhibitors
induced
formation
stress
granules
positive
for
hnRNPA1
hnRNPA2/B1.
Immunohistochemistry
ALS
patient
revealed
increased
colocalization
between
compared
controls,
suggesting
possible
dysregulation
trafficking
patients
bearing
expansion.
Hence,
study
identifies
role
Rab-mediated
Oxidative Medicine and Cellular Longevity,
Journal Year:
2019,
Volume and Issue:
2019, P. 1 - 14
Published: Aug. 14, 2019
Oxidative
stress
is
a
consequence
of
the
use
oxygen
in
aerobic
respiration
by
living
organisms
and
denoted
as
persistent
condition
an
imbalance
between
generation
reactive
species
(ROS)
ability
endogenous
antioxidant
system
(AOS)
to
detoxify
them.
The
oxidative
theory
has
been
confirmed
many
animal
studies,
which
demonstrated
that
maintenance
cellular
homeostasis
biomolecular
stability
integrity
crucial
for
longevity
successful
aging.
Mitochondrial
dysfunction,
impaired
protein
(proteostasis)
network,
alteration
activities
transcription
factors
such
Nrf2
NF-
κ
B,
disturbances
quality
control
machinery
includes
molecular
chaperones,
ubiquitin-proteasome
(UPS),
autophagy/lysosome
pathway
have
observed
during
aging
age-related
chronic
diseases.
accumulation
ROS
under
conditions
results
induction
lipid
peroxidation
glycoxidation
reactions,
leads
elevated
production
aldehydes
their
derivatives
glyoxal,
methylglyoxal
(MG),
malonic
dialdehyde
(MDA),
4-hydroxy-2-nonenal
(HNE)
giving
rise
advanced
lipoxidation
glycation
end
products
(ALEs
AGEs,
respectively).
Both
ALEs
AGEs
play
key
roles
response
stimuli
through
regulation
variety
cell
signaling
pathways.
However,
ALE
AGE
cross-linking
aggregation
resulting
functioning
causes
damage
death.
This
implicated
various
pathologies
inflammation,
neurodegenerative
diseases,
atherosclerosis,
vascular
complications
diabetes
mellitus.
In
present
review,
we
discuss
experimental
data
evidencing
impairment
functions
caused
AGE/ALE
conditions.
We
focused
on
implications
ALEs/AGEs
diseases
demonstrate
identification
dysfunctions
involved
disease
initiation
progression
can
serve
basis
discovery
relevant
therapeutic
agents.