Movement Disorders,
Journal Year:
2024,
Volume and Issue:
39(11), P. 2117 - 2119
Published: Aug. 12, 2024
We
read
with
great
interest
the
article
by
Bademosi
and
colleagues,1
where
they
investigated
role
of
SH3GL2
p.G276V
on
neuron
dysfunction
in
Parkinson's
disease
(PD).
The
gene
encodes
endophilin-A1
(EndoA1)
protein,
crucial
for
synaptic
vesicle
endocytosis
blood–brain
barrier
permeability
regulation.1
Two
independent
signals
have
been
identified
to
potentially
increase
PD
risk
latest
European
genome-wide
association
studies
(GWAS)
meta-analysis:
rs13294100
rs10756907.2
Exome
sequencing
a
German
cohort
suggested
variant
as
an
factor.
et
al1
recently
demonstrated
that
impairs
Ca2+
influx-induced
autophagy
without
destabilizing
EndoA1.
authors
found
human
protein
was
stable
but
showed
significant
decrease
number
autophagosomes
compared
control
neurons.
To
clarify
between
PD,
we
leveraged
whole-genome
(WGS)
data
from
Accelerating
Medicines
Partnership-Parkinson's
Disease
(AMP-PD;
https://amp-pd.org/)
release
3.0,
consisting
3,105
cases
3,670
controls
descent,
large-scale
genotyping
imputed
Global
Genetics
Program
(GP2;
https://gp2.org/)
5.0,
12,728
10,533
10
different
ancestries.
Quality
analyses
are
described
elsewhere
(https://github.com/vitale199/GenoTools/).
Variants
were
annotated
using
ANNOVAR,
Fisher's
exact
test
applied
PLINK
1.9.
Summary
statistics
GWAS
meta-analyses
assessed.2-5
omicSynth
resource
looking
at
quantitative
trait
loci
(QTL).
Gene-based
burden
performed
RVTESTS.
14,590
variants
AMP-PD
(Supplementary
Table
S1).
Likewise,
30,719
GP2
Europeans
both
(one
case,
two
controls)
(three
cases,
one
control);
however,
no
(AMP-PD:
P
=
0.394,
odds
ratio
[OR]
1.296;
GP2:
0.869,
OR
1.034)
(Table
1).
This
also
three
African
American
(AAC)
Ashkenazi
Jew
(AJ)
patient.
No
linkage
disequilibrium
(LD)
observed
lead
single
nucleotide
polymorphisms
(SNPs).
Conditional
these
most
likely
signals.
common
genetic
variation
Latino
nor
Asian
populations.4,
5
analysis
multi-ancestry
population3
intronic
rs910316833
SNP
Fig.
QTL
revealed
six
potential
functional
impacts
(top
SNPs:
rs2145659,
rs3758217,
rs10756899,
rs2383044).
Finally,
cumulative
effect
multiple
within
after
conducting
rare
meta-analyses.
Using
largest
case–control
cohorts
publicly
available
date
field,
Europeans;
this
not
associated
consequently
does
causally
explain
locus.
M.T.P.
S.B.C.
conceived
designed
study.
A.L.F.,
A.J.H.M.,
D.B.R.P.,
A.N.C.
M.B.M.
results.
A.J.H.M.
D.B.R.P.
wrote
manuscript
support
A.N.C.,
M.B.M.,
All
contributed
editing
final
manuscript.
work
carried
out
guidance
"GP2
Trainee
Network"
is
part
funded
Aligning
Science
Across
(ASAP)
initiative.
Data
used
preparation
obtained
(GP2).
For
complete
list
members,
see
https://gp2.org.
Partnership®
(AMP®)
(AMP®
PD)
Knowledge
Platform.
up-to-date
information
study,
visit
https://www.amp-pd.org.
ACCELERATING
MEDICINES
PARTNERSHIP
AMP
registered
service
marks
United
States
Department
Health
Human
Services.
hosted
collaboration
via
application
website
(https://amp-pd.org/register-for-amp-pd;
https://doi.org/10.5281/zenodo.7904832).
Genotyping
imputation,
quality
control,
ancestry
prediction,
processing
GenoTools
v1.0,
GitHub
(https://github.com/GP2code/GenoTools).
scripts
(https://github.com/GP2-TNC-WG/GP2_TRAINEES-SH3GL2/;
Zenodo
DOI:
https://doi.org/10.5281/zenodo.10257319).
S1.
Supporting
Information.
Please
note:
publisher
responsible
content
or
functionality
any
supporting
supplied
authors.
Any
queries
(other
than
missing
content)
should
be
directed
corresponding
author
article.
Medicine,
Journal Year:
2024,
Volume and Issue:
103(34), P. e39405 - e39405
Published: Aug. 23, 2024
Neurodegenerative
diseases
are
complex
disorders
that
significantly
challenge
human
health,
with
their
incidence
increasing
age.
A
key
pathological
feature
of
these
is
the
accumulation
misfolded
proteins.
The
underlying
mechanisms
involve
an
imbalance
in
calcium
homeostasis
and
disturbances
autophagy,
indicating
a
likely
correlation
between
them.
As
most
important
second
messenger,
Ca
2+
plays
vital
role
regulating
various
cell
activities,
including
autophagy.
Different
organelles
within
cells
serve
as
storage
chambers
regulate
levels
under
different
conditions.
compartments
can
affect
autophagy
via
channels
or
other
related
signaling
Researchers
propose
regulates
through
distinct
signal
transduction
mechanisms,
normal
stressful
conditions,
thereby
contributing
to
occurrence
development
neurodegenerative
diseases.
This
review
provides
systematic
examination
regulatory
membranes
organelles,
well
its
downstream
pathways
influence
implications
for
comprehensive
analysis
may
facilitate
new
drugs
provide
more
precise
treatments
The
assembly
and
operation
of
neural
circuits
in
the
brain
rely
on
coordination
balance
excitatory
inhibitory
activities.
Inhibitory
synapses
are
key
regulators
functional
circuits.
However,
due
to
diversity
presynaptic
neurons,
complex
composition
postsynaptic
receptor
subunits
lack
typical
dense
structure,
there
relatively
few
studies
regulatory
mechanisms
for
synaptic
structure
function,
insufficient
understanding
cellular
molecular
abnormalities
neurological
neuropsychiatric
disorders.
Here,
we
report
a
crucial
role
endophilin
A1
synapses.
We
show
that
directly
interacts
with
scaffold
protein
gephyrin
promotes
organization
density
recruitment/stabilization
γ-aminobutyric
acid
type
A
receptors
via
its
plasma
membrane
association
actin
polymerization
promoting
Loss
by
gene
knockout
mouse
hippocampal
CA1
pyramidal
cells
weakens
transmission
causes
imbalance
excitatory/inhibitory
function
circuits,
leading
increased
susceptibility
epilepsy.
Our
findings
identify
as
an
iPSD
component
provide
new
insights
into
stabilization
postsynapses
maintain
E/I
well
pathogenesis
The
assembly
and
operation
of
neural
circuits
in
the
brain
rely
on
coordination
balance
excitatory
inhibitory
activities.
Inhibitory
synapses
are
key
regulators
functional
circuits.
However,
due
to
diversity
presynaptic
neurons,
complex
composition
postsynaptic
receptor
subunits
lack
typical
dense
structure,
there
relatively
few
studies
regulatory
mechanisms
for
synaptic
structure
function,
insufficient
understanding
cellular
molecular
abnormalities
neurological
neuropsychiatric
disorders.
Here,
we
report
a
crucial
role
endophilin
A1
synapses.
We
show
that
directly
interacts
with
scaffold
protein
gephyrin
promotes
organization
density
recruitment/stabilization
γ-aminobutyric
acid
type
A
receptors
via
its
plasma
membrane
association
actin
polymerization
promoting
Loss
by
gene
knockout
mouse
hippocampal
CA1
pyramidal
cells
weakens
transmission
causes
imbalance
excitatory/inhibitory
function
circuits,
leading
increased
susceptibility
epilepsy.
Our
findings
identify
as
an
iPSD
component
provide
new
insights
into
stabilization
postsynapses
maintain
E/I
well
pathogenesis