Lewy body diseases and the gut
Molecular Neurodegeneration,
Journal Year:
2025,
Volume and Issue:
20(1)
Published: Jan. 30, 2025
Abstract
Gastrointestinal
(GI)
involvement
in
Lewy
body
diseases
(LBDs)
has
been
observed
since
the
initial
descriptions
of
patients
by
James
Parkinson.
Recent
experimental
and
human
observational
studies
raise
possibility
that
pathogenic
alpha-synuclein
(⍺-syn)
might
develop
GI
tract
subsequently
spread
to
susceptible
brain
regions.
The
cellular
mechanistic
origins
⍺-syn
propagation
disease
are
under
intense
investigation.
Experimental
LBD
models
have
implicated
important
contributions
from
intrinsic
gut
microbiome,
intestinal
immune
system,
environmental
toxicants,
acting
as
triggers
modifiers
pathologies.
Here,
we
review
primary
clinical
observations
link
dysfunctions
LBDs.
We
first
provide
an
overview
anatomy
repertoire
relevant
for
disease,
with
a
focus
on
luminal-sensing
cells
epithelium
including
enteroendocrine
express
make
direct
contact
nerves.
describe
interactions
within
resident
microbes
exogenous
how
these
may
directly
contribute
pathology
along
related
metabolic
immunological
responses.
Finally,
critical
knowledge
gaps
field
highlighted,
focusing
pivotal
questions
remain
some
200
years
after
dysfunction
predict
better
understanding
pathophysiologies
influence
risk
progression
will
accelerate
discoveries
lead
deeper
overall
potential
therapeutic
strategies
targeting
gut-brain
axis
delay,
arrest,
or
prevent
progression.
Language: Английский
The Gut‐Brain Axis in Parkinson disease: Emerging Concepts and Therapeutic Implications
Movement Disorders Clinical Practice,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
Abstract
Background
The
gut‐brain
axis,
i.e.
the
bidirectional
communication
system
between
gut
and
brain,
has
become
of
central
importance
in
Parkinson
disease
(PD)
research
over
past
20
years.
Aims
We
aimed
to
describe
milestones
axis
PD
development
theories
proposing
involvement
gastrointestinal
tract
pathogenesis.
Methods
searched
PubMed
using
terms
‘gut‐brain
axis’
AND
‘Parkinson
disease’,
selected
relevant
articles
provide
foundation
for
reconstructing
an
historical
overview
PD.
Results
Mounting
evidence
from
preclinical,
clinical
post‐mortem
studies
suggests
that
a
subgroup
patients
present
with
range
prodromal
symptoms
(e.g.,
autonomic
dysfunction,
rapid
eye
movement
sleep
behaviour
disorder)
which
reflect
initial
accumulation
later
spread
pathological
α‐synuclein
rostrally
(“body‐first”
PD).
Through
neural
connections
along
may
producing
clinically
manifest
disease.
Recently,
two
mechanisms
involving
have
attracted
increasing
attention
their
role
pathogenesis
progression,
namely
perturbation
composition
microorganisms
living
(the
microbiome),
dysfunction
enteroendocrine
cells.
Conclusion
Treatments
targeting
especially
microbiome
cells
pathway,
could
potentially
slow
progression
or
even
prevent
onset.
Among
these,
pre/probiotics,
faecal
microbiota
transplantation,
glucagon‐like
peptide‐1
receptor
agonists,
entered
advanced
stages
trials
humans
shown
potential
symptomatic
disease‐modifying
effects.
Language: Английский