Frontiers in Behavioral Neuroscience,
Год журнала:
2024,
Номер
18
Опубликована: Авг. 1, 2024
Introduction
Human
epidemiological
studies
suggest
that
heavy
alcohol
consumption
may
lead
to
earlier
onset
of
Alzheimer’s
Disease
(AD),
especially
in
individuals
with
a
genetic
predisposition
for
AD.
Alcohol-related
brain
damage
(ARBD)
during
critical
developmental
timepoint,
such
as
adolescence,
interacts
AD-related
pathologies
accelerate
disease
progression
later
life.
The
current
study
investigates
if
voluntary
exercise
mid-adulthood
can
recover
memory
deficits
caused
by
the
interactions
between
adolescence
ethanol
exposure
and
AD-transgenes.
Methods
Male
female
TgF344-AD
wildtype
F344
rats
were
exposed
an
intragastric
gavage
water
(control)
or
5
g/kg
20%
(adolescent
intermittent
ethanol;
AIE)
2
day
on/off
schedule
throughout
(PD27-57).
At
6
months
old,
either
remained
their
home
cage
(stationary)
placed
wheel
running
apparatus
4
weeks
then
underwent
several
behavioral
tests.
number
cholinergic
neurons
basal
forebrain
measure
neurogenesis
hippocampus
assessed.
Results
Voluntary
recovers
spatial
working
selectively
AIE
improves
pattern
separation
impairment
seen
control
rats.
There
sex-dependent
effects
on
pathology:
Exercise
integration
recently
born
AIE-exposed
led
decrease
amyloid
burden
entorhinal
cortex,
but
only
male
Although
was
not
affected
AD-transgenes
sex,
did
reduce
Discussion
These
data
provide
support
even
after
symptom
onset,
AD
related
cognitive
decline
associated
neuropathologies
be
rescued
unique
sex-specific
ways.
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(10), С. 8625 - 8625
Опубликована: Май 11, 2023
Rare
ginsenosides
are
the
major
components
of
red
ginseng.
However,
there
has
been
little
research
into
relationship
between
structure
and
their
anti-inflammatory
activity.
In
this
work,
BV-2
cells
induced
by
lipopolysaccharide
(LPS)
or
nigericin,
activity
eight
rare
ginsenosides,
target
proteins
expression
AD
were
compared.
addition,
Morris
water
maze
test,
HE
staining,
thioflavins
urine
metabonomics
used
to
evaluate
effect
Rh4
on
mice.
Our
results
showed
that
configuration
influences
ginsenosides.
Ginsenosides
Rk1,
Rg5,
Rk3,
have
significant
compared
S-Rh1,
R-Rh1,
S-Rg3,
R-Rg3.
S-Rh1
S-Rg3
more
pronounced
than
R-Rh1
R-Rg3,
respectively.
Furthermore,
two
pairs
stereoisomeric
can
significantly
reduce
level
NLRP3,
caspase-1,
ASC
in
cells.
Interestingly,
improve
learning
ability
mice,
cognitive
impairment,
hippocampal
neuronal
apoptosis
Aβ
deposition,
regulate
AD-related
pathways
such
as
tricarboxylic
acid
cycle
sphingolipid
metabolism.
findings
conclude
with
a
double
bond
those
without,
20(S)-ginsenosides
excellent
20(R)-ginsenosides.
Journal of Periodontal Research,
Год журнала:
2024,
Номер
59(2), С. 395 - 407
Опубликована: Фев. 4, 2024
Abstract
Objective
The
study
aimed
to
investigate
the
change
of
amyloid
precursor
protein
(APP)
processing
and
β
(Aβ)
metabolites
in
linking
periodontitis
Alzheimer's
disease
(AD).
Background
Aβ
is
one
main
pathological
features
AD,
few
studies
have
discussed
changes
its
expression
peripheral
tissues
or
analyzed
relationship
between
imbalance
production
clearance.
Methods
A
murine
model
was
established
by
oral
infection
with
Porphyromonas
gingivalis
(P.
gingivalis)
.
Micro‐computed
tomography
(Micro‐CT)
used
observe
destruction
alveolar
bone.
Nested
quantitative
polymerase
chain
reaction
(qPCR)
measure
small
quantities
P.gingivalis
DNA
different
tissues.
Behavioral
experiments
were
performed
cognitive
function
mice.
mRNA
levels
TNF‐α
,
IL‐6
IL‐8
RANKL
OPG
APP695
APP751
APP770
BACE1
gingival
cortex
detected
RT‐PCR.
Aβ1‐40
Aβ1‐42
crevicular
fluid
(GCF)
plasma
tested
ELISA.
Results
P.
found
cause
bone
resorption
impaired
learning
memory.
gingiva,
blood
group
nested
qPCR
(
p
<
.05).
RANKL/OPG
tissue
significantly
higher
than
that
control
Similarly,
upregulated
observed
tissuses
GCF
those
Conclusion
can
directly
invade
brain
via
hematogenous
infection.
invasion
could
trigger
an
immune
response
lead
clearance
tissues,
which
may
abnormal
metabolite
brain,
resulting
occurrence
development
AD.
Pharmacological Research,
Год журнала:
2024,
Номер
204, С. 107201 - 107201
Опубликована: Май 3, 2024
Neuropsychiatric
disorders
shorten
human
life
spans
through
multiple
ways
and
become
major
threats
to
health.
Exercise
can
regulate
the
estrogen
signaling,
which
may
be
involved
in
depression,
Alzheimer's
disease
(AD)
Parkinson's
(PD),
other
neuropsychiatric
as
well
their
sex
differences.
In
nervous
system,
is
an
important
regulator
of
cell
development,
synaptic
brain
connectivity.
Therefore,
this
review
aimed
investigate
potential
system
exercise
intervention
better
understand
its
specific.
exert
a
protective
effect
regulating
expression
receptors,
are
neuroprotection,
neurodevelopment,
neuronal
glucose
homeostasis.
These
processes
mediated
by
downstream
factors
including
N-myc
regulatory
gene
2
(Ndrg2),
serotonin
(5-HT),
delta
like
canonical
Notch
ligand
1
(DLL1),
NOD-like
receptor
thermal
protein
domain
associated
3
(NLRP3),
etc.
addition,
act
on
response
element
(ERE)
fragment
genes
estrogenic
β-amyloid
precursor
cleavase
(BACE1).
However,
there
few
studies
relationship
between
exercise,
signaling
pathway,
disorders.
Hence,
we
how
mediates
mechanism
We
aim
provide
theoretical
perspective
for
affecting
female
health
support
design
prescriptions.
Theranostics,
Год журнала:
2023,
Номер
13(3), С. 913 - 930
Опубликована: Янв. 1, 2023
Rationale:
Adverse
experiences
in
early
life
including
abuse,
trauma
and
neglect,
have
been
linked
to
poor
physical
mental
health
outcomes.
Emerging
evidence
implies
that
those
who
experienced
adversity
(ELA)
are
more
likely
develop
cognitive
dysfunction
depressive-like
symptoms
adulthood.
The
molecular
mechanisms
responsible
for
the
negative
consequences
of
ELA,
however,
remain
unclear.
In
absence
effective
management
options,
anticipatory
guidance
is
mainstay
ELA
prevention.
Furthermore,
there
no
available
treatment
prevents
or
alleviates
neurologic
sequelae
especially
traumatic
stress.
Hence,
present
study
aims
investigate
these
associations
evaluate
whether
photobiomodulation
(PBM),
a
non-invasive
therapeutic
procedure,
can
prevent
behavioral
manifestations
later
life.
Methods:
was
induced
by
repeated
inescapable
electric
foot
shock
rats
from
postnatal
day
21
26.
On
immediately
following
last
shock,
2-min
daily
PBM
applied
transcranially
7
consecutive
days.
Cognitive
depression-like
behaviors
were
measured
battery
tests
Subsequently,
oligodendrocyte
progenitor
cells
(OPCs)
differentiation,
proliferation
apoptosis
lineage
(OLs),
mature
oligodendrocyte,
myelinating
level
oxidative
damage,
reactive
oxygen
species
(ROS)
total
antioxidant
capacity
analyzed
using
immunofluorescence
staining,
capillary-based
immunoassay
(ProteinSimple®)
assay
kit.
Results:
exposed
exhibited
obvious
dysfunction,
reduction
OPCs
diminished
generation
survival
OLs,
decreased
matured
oligodendrocyte.
deficit
oligodendrocytes
observed,
conjunction
with
an
imbalance
redox
homeostasis
accumulated
damage.
These
alternations
concomitant
behaviors.
Importantly,
we
found
largely
prevented
pathologies
reversed
resulting
ELA.
Conclusions:
Collectively,
findings
provide
new
insights
into
mechanism
which
affects
neurological
Moreover,
our
support
may
be
promising
strategy
ELA-induced
develops