GBA1-Associated Parkinson’s Disease Is a Distinct Entity
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(13), P. 7102 - 7102
Published: June 28, 2024
-associated
Parkinson's
disease
(
Language: Английский
Comparative analysis of methods for measuring glucocerebrosidase enzyme activity in patients with Parkinson’s disease with the GBA1 variant
Frontiers in Neurology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 2, 2025
GBA1
variants
are
significant
genetic
risk
factors
for
Parkinson's
disease
(PD).
Accurately
measuring
glucocerebrosidase
(GCase)
activity
is
crucial
understanding
progression
and
developing
targeted
therapies.
This
study
aimed
to
validate
strategies
blood
GCase
in
patients
with
GBA1-associated
PD
(GBA-PD).
We
recruited
25
GBA-PD
27
matched
without
(non-GBA-PD).
from
fresh
was
quantified
using
the
4-methylumbelliferyl
β-D-glucopyranoside
leukocyte
assay
(GCaseRaw).
The
patient/normal
control
ratio
(GCase
ratio)
calculated
consistency.
dried
spot
(DBS)
specimens
(GCaseDBS)
plasma
glucosylsphingosine
(GluSph)
levels
were
measured
LC-MS/MS.
diagnostic
accuracy
assessed
area
under
curve
(AUC)
values.
No
differences
demographics
or
characteristics
found
between
non-GBA-PD
patients.
significantly
lower
(p
<
0.001).
exhibited
a
higher
(AUC,
0.93)
than
GCaseRaw
0.88)
GCaseDBS
0.78).
Plasma
GluSph
negatively
correlated
(r
=
-0.326;
p
0.01).
relative
of
showed
strong
discriminatory
potential,
distinguishing
non-GBA-PD.
Language: Английский
Investigating the Impact of the Parkinson’s-Associated GBA1 E326K Mutation on β-Glucocerebrosidase Dimerization and Interactome Dynamics Through an In Silico Approach
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(21), P. 11443 - 11443
Published: Oct. 24, 2024
Heterozygous
mutations
or
genetic
variants
in
the
GBA1
gene,
which
encodes
for
β-glucocerebrosidase
(GCase),
a
lysosomal
hydrolase
enzyme,
may
increase
risk
of
Parkinson’s
disease
(PD)
onset.
The
heterozygous
E326K
form
is
one
most
common
factors
PD
worldwide,
but,
to
date,
underlying
molecular
mechanisms
remain
unclear.
Here,
we
investigate
effect
on
structure,
stability,
dimerization
process,
and
interaction
mode
with
some
proteins
interactome
GCase
using
multiple
dynamics
(MD)
simulations
at
pH
5.5
7.0
mimic
endoplasmic
reticulum
environments,
respectively.
analysis
MD
trajectories
highlights
that
mutation
did
not
significantly
alter
structural
conformation
catalytic
dyad
but
makes
structure
dimeric
complexes
unstable,
especially
pH,
potentially
impacting
organization
quaternary
structure.
Furthermore,
impacts
protein
interactions
by
altering
binding
activator
Saposin
C
(SapC),
reducing
affinity
inhibitor
α-Synuclein
(α-Syn),
increasing
Lysosomal
integral
membrane
protein-2
(LIMP-2)
transporter.
Language: Английский
Recent Therapeutic Advancements for Gaucher Disease
Lipi Pradhan,
No information about this author
Sumit Manna,
No information about this author
Pragya Pragya
No information about this author
et al.
Advanced Therapeutics,
Journal Year:
2024,
Volume and Issue:
8(1)
Published: Nov. 15, 2024
Abstract
Gaucher
Disease
(GD)
is
a
well‐known
lysosomal
storage
disease
resulting
from
mutations
in
the
GBA1
gene.
GD
exhibits
range
of
clinical
manifestations,
each
with
unique
symptoms
and
severity
levels.
This
review
explores
genetic
foundations
GD,
highlighting
significance
Glucocerebrosidase
(GCase)
deficiency,
skeletal
complications
associated
such
as
osteonecrosis,
fractures,
bone
pain,
all
which
significantly
negatively
influence
quality
life
for
patients.
Over
700
gene
are
found
to
cause
variations
expression
indicating
disease's
complexity
need
continued
research.
Early
diagnosis
prognosis
evaluation
depend
heavily
on
diagnostic
approaches
integrating
laboratory
assessments,
testing,
symptoms.
Treatment
strategies
like
enzyme
replacement
therapy
(ERT)
substrate
reduction
(SRT)
have
advanced,
but
issues
high
costs
invasiveness
still
exist.
focuses
novel
therapeutic
that
show
promise
treating
including
cell‐based
therapies,
pharmacological
chaperone
(PCT),
drug
delivery
via
nanoparticles.
Finally,
discussions
current
trials,
limitations
advanced
future
scope
summarized.
Language: Английский