Nutrients,
Год журнала:
2021,
Номер
13(2), С. 361 - 361
Опубликована: Янв. 25, 2021
The
microbiota–gut–brain
axis
plays
an
important
role
in
the
development
of
neurodegenerative
diseases.
Commensal
and
pathogenic
enteric
bacteria
can
influence
brain
immune
system
function
by
production
lipopolysaccharides
amyloid.
Dysbiosis
intestinal
microbiome
induces
local
consecutively
systemic
immune-mediated
inflammation.
Proinflammatory
cytokines
then
trigger
neuroinflammation
finally
neurodegeneration.
Immune-mediated
oxidative
stress
lead
to
a
deficiency
vitamins
essential
micronutrients.
Furthermore,
wrong
composition
gut
microbiota
might
impair
intake
metabolization
nutrients.
In
patients
with
Alzheimer’s
disease
(AD)
significant
alterations
have
been
demonstrated.
Standard
Western
diet,
infections,
decreased
physical
activity
chronic
impact
diversity
microbiota.
A
higher
abundancy
“pro-inflammatory”
goes
along
enhanced
inflammation
neuroinflammatory
processes.
Thus,
AD
beginning
is
closely
related
imbalance
Modulation
Mediterranean
probiotics
curcumin
slow
down
cognitive
decline
alter
significantly.
multi-domain
intervention
approach
addressing
underlying
causes
(inflammation,
metabolic
like
insulin
resistance
nutrient
deficiency,
stress)
appears
very
promising
reduce
or
even
reverse
exerting
positive
effects
on
International Journal of Molecular Sciences,
Год журнала:
2018,
Номер
19(12), С. 3720 - 3720
Опубликована: Ноя. 22, 2018
The
incidence
of
metabolic
disorders,
including
diabetes,
has
elevated
exponentially
during
the
last
decades
and
enhanced
risk
a
variety
complications,
such
as
diabetes
cardiovascular
diseases.
In
present
review,
we
have
highlighted
new
insights
on
complex
relationships
between
diet-induced
modulation
gut
microbiota
diabetes.
Literature
from
various
library
databases
electronic
searches
(ScienceDirect,
PubMed,
Google
Scholar)
were
randomly
collected.
There
exists
relationship
diet
microbiota,
which
alters
energy
balance,
health
impacts,
autoimmunity,
further
causes
inflammation
dysfunction,
Faecalibacterium
prausnitzii
is
butyrate-producing
bacterium,
plays
vital
role
in
Transplantation
F.
been
used
an
intervention
strategy
to
treat
dysbiosis
gut’s
microbial
community
that
linked
inflammation,
precedes
autoimmune
disease
review
focuses
literature
highlights
benefits
especially,
abundant
protecting
pattern
its
therapeutic
potential
against
Molecular Neurodegeneration,
Год журнала:
2021,
Номер
16(1)
Опубликована: Янв. 13, 2021
Successful
development
of
agents
that
improve
cognition
and
behavior
in
Alzheimer's
disease
(AD)
is
critical
to
improving
the
lives
patients
manifesting
symptoms
this
progressive
disorder.There
have
been
no
recent
approvals
cognitive
enhancing
for
AD.
There
are
currently
6
enhancers
Phase
2
trials
4
phase
3.
They
represent
a
variety
novel
mechanisms.
has
progress
developing
new
treatments
neuropsychiatric
AD
with
advances
treatment
insomnia,
psychosis,
apathy,
agitation
AD-related
psychotropic
7
3
trials.
Many
mechanisms
being
explored
behavioral
targets.
Progress
trial
designs,
outcomes
measures,
population
definitions
conduct
symptomatic
AD.Advances
combined
enhanced
methods
promise
address
unmet
needs
improved
amelioration
symptoms.
Science Translational Medicine,
Год журнала:
2023,
Номер
15(700)
Опубликована: Июнь 14, 2023
Alzheimer’s
disease
(AD)
pathology
is
thought
to
progress
from
normal
cognition
through
preclinical
and
ultimately
symptomatic
AD
with
cognitive
impairment.
Recent
work
suggests
that
the
gut
microbiome
of
patients
has
an
altered
taxonomic
composition
compared
healthy,
cognitively
control
individuals.
However,
knowledge
about
changes
in
before
onset
limited.
In
this
cross-sectional
study
accounted
for
clinical
covariates
dietary
intake,
we
microbial
function
a
cohort
164
individuals,
49
whom
showed
biomarker
evidence
early
AD.
Gut
profiles
individuals
were
distinct
those
without
The
change
correlated
β-amyloid
(Aβ)
tau
pathological
biomarkers
but
not
neurodegeneration,
suggesting
may
process.
We
identified
specific
bacterial
taxa
associated
Inclusion
these
features
improved
accuracy,
sensitivity,
specificity
machine
learning
classifiers
predicting
status
when
tested
on
subset
(65
participants).
correlates
neuropathology
improve
our
understanding
etiology
help
identify
gut-derived
markers
risk.
Abstract
Background
In
a
pilot
study,
we
found
that
feces
transplantation
from
elderly
individuals
to
mice
significantly
caused
cognitive
impairment.
Paenalcaligenes
hominis
and
Escherichia
coli
are
increasingly
detected
in
the
of
adults
aged
mice.
Therefore,
isolated
examined
their
effects
on
occurrence
age-related
degenerative
impairment
colonic
inflammation
Results
The
collected
people
more
severe
transplanted
young
than
those
Oral
gavage
strong
colitis
specific
pathogen-free
(SPF)
germ-free
also
induced
SPF
,
its
extracellular
vesicles
(EVs),
and/or
lipopolysaccharide
However,
celiac
vagotomy
inhibited
impairment,
but
not
colitis,
exposed
or
EVs,
whereas
had
no
such
effects.
Vagotomy
infiltration
EVs
into
hippocampus.
Conclusions
particularly
can
cause
function-impaired
disorders,
as
Alzheimer’s
disease,
may
penetrate
brain
through
blood
well
vagus
nerve.
Molecular Neurodegeneration,
Год журнала:
2022,
Номер
17(1)
Опубликована: Сен. 24, 2022
Abstract
ApoE
is
the
major
lipid
and
cholesterol
carrier
in
CNS.
There
are
three
human
polymorphisms,
apoE2,
apoE3,
apoE4,
genetic
expression
of
APOE4
one
most
influential
risk
factors
for
development
late-onset
Alzheimer's
disease
(AD).
Neuroinflammation
has
become
third
hallmark
AD,
together
with
Amyloid-β
plaques
neurofibrillary
tangles
hyperphosphorylated
aggregated
tau
protein.
This
review
aims
to
broadly
extensively
describe
differential
aspects
concerning
apoE.
Starting
from
evolution
apoE
how
APOE's
single-nucleotide
polymorphisms
affect
its
structure,
function,
involvement
during
health
disease.
reflects
on
impact
critical
AD
pathology,
such
as
neuroinflammatory
response,
particularly
effect
APOE
astrocytic
microglial
function
dynamics,
synaptic
amyloid-β
load,
autophagy,
cell–cell
communication.
We
discuss
affecting
pathology
combined
genotype,
sex,
age,
diet,
physical
exercise,
current
therapies
clinical
trials
field.
The
genotype
other
neurodegenerative
diseases
characterized
by
overt
inflammation,
e.g.,
alpha-
synucleinopathies
Parkinson's
disease,
traumatic
brain
injury,
stroke,
amyotrophic
lateral
sclerosis,
multiple
also
addressed.
Therefore,
this
gathers
relevant
findings
related
up
date
implications
CNS
pathologies
provide
a
deeper
understanding
knowledge
Signal Transduction and Targeted Therapy,
Год журнала:
2024,
Номер
9(1)
Опубликована: Авг. 23, 2024
Abstract
Alzheimer’s
disease
(AD)
stands
as
the
predominant
form
of
dementia,
presenting
significant
and
escalating
global
challenges.
Its
etiology
is
intricate
diverse,
stemming
from
a
combination
factors
such
aging,
genetics,
environment.
Our
current
understanding
AD
pathologies
involves
various
hypotheses,
cholinergic,
amyloid,
tau
protein,
inflammatory,
oxidative
stress,
metal
ion,
glutamate
excitotoxicity,
microbiota-gut-brain
axis,
abnormal
autophagy.
Nonetheless,
unraveling
interplay
among
these
pathological
aspects
pinpointing
primary
initiators
require
further
elucidation
validation.
In
past
decades,
most
clinical
drugs
have
been
discontinued
due
to
limited
effectiveness
or
adverse
effects.
Presently,
available
primarily
offer
symptomatic
relief
often
accompanied
by
undesirable
side
However,
recent
approvals
aducanumab
(
1
)
lecanemab
2
Food
Drug
Administration
(FDA)
present
potential
in
disrease-modifying
Nevertheless,
long-term
efficacy
safety
need
Consequently,
quest
for
safer
more
effective
persists
formidable
pressing
task.
This
review
discusses
pathogenesis,
advances
diagnostic
biomarkers,
latest
updates
trials,
emerging
technologies
drug
development.
We
highlight
progress
discovery
selective
inhibitors,
dual-target
allosteric
modulators,
covalent
proteolysis-targeting
chimeras
(PROTACs),
protein-protein
interaction
(PPI)
modulators.
goal
provide
insights
into
prospective
development
application
novel
drugs.
International Journal of Molecular Sciences,
Год журнала:
2021,
Номер
22(15), С. 8208 - 8208
Опубликована: Июль 30, 2021
Alzheimer's
disease
(AD)
is
a
progressive
neurodegenerative
and
accounts
for
most
cases
of
dementia.
The
prevalence
AD
has
increased
in
the
current
rapidly
aging
society
contributes
to
heavy
burden
on
families
society.
Despite
profound
impact
AD,
treatments
are
unable
achieve
satisfactory
therapeutic
effects
or
stop
progression
disease.
Finding
novel
become
urgent.
In
this
paper,
we
reviewed
approaches
five
categories:
anti-amyloid
therapy,
anti-tau
anti-neuroinflammatory
neuroprotective
agents
including
N-methyl-D-aspartate
(NMDA)
receptor
modulators,
brain
stimulation.
trend
development
shifting
from
single
pathological
target
more
complex
mechanism,
such
as
neuroinflammatory
processes.
While
drug
repositioning
may
accelerate
pharmacological
development,
non-pharmacological
interventions,
especially
repetitive
transcranial
magnetic
stimulation
(rTMS)
direct
(tDCS),
also
have
potential
clinical
application.
future,
it
possible
physicians
choose
appropriate
interventions
individually
basis
precision
medicine.
Molecular Neurodegeneration,
Год журнала:
2022,
Номер
17(1)
Опубликована: Июнь 17, 2022
A
consequence
of
our
progressively
ageing
global
population
is
the
increasing
prevalence
worldwide
age-related
cognitive
decline
and
dementia.
In
absence
effective
therapeutic
interventions,
identifying
risk
factors
associated
with
becomes
increasingly
vital.
Novel
perspectives
suggest
that
a
dynamic
bidirectional
communication
system
between
gut,
its
microbiome,
central
nervous
system,
commonly
referred
to
as
microbiota-gut-brain
axis,
may
be
contributing
factor
for
health
disease.
However,
exact
mechanisms
remain
undefined.
Microbial-derived
metabolites
produced
in
gut
can
cross
intestinal
epithelial
barrier,
enter
systemic
circulation
trigger
physiological
responses
both
directly
indirectly
affecting
functions.
Dysregulation
this
(i.e.,
dysbiosis)
modulate
cytotoxic
metabolite
production,
promote
neuroinflammation
negatively
impact
cognition.
review,
we
explore
critical
connections
microbial-derived
(secondary
bile
acids,
trimethylamine-N-oxide
(TMAO),
tryptophan
derivatives
others)
their
influence
upon
function
neurodegenerative
disorders,
particular
interest
less-explored
role
decline.