Lactobacilli Probiotics Prevent Amyloid-Beta Fibril Formation In Vitro
Abstract
Alzheimer's
disease
(AD)
is
characterized
by
the
buildup
of
extracellular
aggregated
amyloid-β
(Aβ)
peptides,
following
sequential
enzymatic
cleavage
amyloid
precursor
protein
(APP),
along
with
intraneuronal
accumulation
hyperphosphorylated
Tau
proteins
(pTau)
and
subsequent
neuronal
loss.
Despite
extensive
research,
precise
mechanisms
underlying
Aβ,
Tau-mediated
neurodegeneration
remain
elusive.
Inhibiting
aggregation
has
been
a
primary
focus
for
mitigating
toxicity.
The
gut-brain
axis
potential
factor
in
AD
progression,
evidence
suggesting
that
gut-resident
bacteria
may
produce
contribute
to
host
aggregation.
Altered
gut
microbial
diversity
also
observed
individuals
AD.
Probiotics
have
emerged
as
promising
preventative
measure
against
cognitive
decline
AD,
several
in
vivo
clinical
trials
demonstrating
efficacy
select
bacterial
strains
slowing
progression.
However,
these
studies
lack
direct
molecular
on
effects
probiotics
Aβ
kinetic.
In
this
study,
we
conducted
bioinformatic
physicochemical
assessments,
including
docking
derived
from
13
probiotic
Tau,
identifying
four
predicted
efficiently
inhibit
Kinetic
confirmed
both
formulation
its
supernatant
significantly
inhibited
conversion
monomeric
into
forms.
To
explore
bioavailability,
administered
healthy
detected
presence
stool
samples,
survival
through
gastrointestinal
tract.
These
findings
suggest
specific
serve
therapeutic
candidates
targeting
aggregation,
further
warranted
assess
their
utility
Опубликована: Апрель 23, 2025
Язык: Английский