Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Sept. 26, 2023
Abstract
Lactate
is
not
only
the
energy
substrate
of
neural
cells,
but
also
an
important
signal
molecule
in
brain.
In
modern
societies,
disturbed
circadian
rhythms
pose
a
global
challenge.
Therefore,
exploring
influence
period
on
lactate
and
its
metabolic
kinetics
essential
for
advancement
neuroscientific
research.
present
study,
mice
were
infused
[3-
13
C]
through
tail
vein
duration
two
minutes.
After
30
minutes
metabolism,
animals
sacrificed
brain
tissue
was
extracted
tested.
And
then
[
1
H-
NMR
technology
employed
to
investigate
kinetic
information
metabolism
different
regions
during
various
time
periods
acute
sleep
deprivation,
detect
enrichment
neurochemicals.
The
results
revealed
fluctuating
concentrations
throughout
day,
with
lower
levels
light
higher
dark
periods.
Most
metabolites
displayed
strong
sensitivity
rhythm,
exhibiting
significant
day-night
variations.
Conversely,
few
showed
changes
after
primarily
temporal
region.
Interestingly,
contrast
liver
exhibited
increase
following
deprivation.
This
study
explored
hinted
at
potential
clinical
implications
disorders
involving
rhythm
disturbances,
providing
new
research
basis
exploration
metabolism.
Cell Insight,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100240 - 100240
Published: March 1, 2025
Acute
sleep
deprivation
(ASD)
impairs
memory
formation,
but
the
underlying
mechanisms
remain
unclear.
In
this
study,
we
employed
an
ASD
model
combined
with
fear
conditioning
to
investigate
these
mechanisms.
mRNA
sequencing
revealed
upregulated
expression
of
Transient
Receptor
Potential
Vanilloid
4
(TRPV4),
a
nonselective
Ca2+-permeable
cation
channel
critical
for
calcium
signaling,
in
mice
ASD-induced
impairments.
Notably,
TRPV4
knockdown
reversed
deficits.
was
associated
increased
intracellular
Ca2+
concentrations,
reduced
spine
density,
and
decreased
postsynaptic
density
protein
95
(PSD95),
key
regulator
synaptic
plasticity.
These
findings
suggest
that
may
cause
overload,
leading
disrupted
plasticity
impaired
learning
memory.
Importantly,
significantly
mitigated
impairments,
contributed
restoration.
Together,
demonstrate
protective
role
against
deficits
highlight
as
potential
therapeutic
target
impairment
ASD.
Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
96(2), P. 847 - 855
Published: Dec. 30, 2023
RNA
molecules
undergo
various
chemical
modifications
that
play
critical
roles
in
a
wide
range
of
biological
processes.
N6,N6-Dimethyladenosine
(m6,6A)
is
conserved
modification
and
essential
for
the
processing
rRNA.
To
gain
deeper
understanding
functions
m6,6A,
site-specific
accurate
quantification
this
indispensable.
In
study,
we
developed
an
AlkB-facilitated
demethylation
(AD-m6,6A)
method
detection
m6,6A
RNA.
The
N6,N6-dimethyl
groups
can
cause
reverse
transcription
to
stall
at
site,
resulting
truncated
cDNA.
However,
found
Escherichia
coli
AlkB
demethylase
effectively
demethylate
RNA,
generating
full-length
cDNA
from
AlkB-treated
By
quantifying
amount
produced
using
quantitative
real-time
PCR,
were
able
achieve
Using
AD-m6,6A
method,
successfully
detected
quantified
position
1851
18S
rRNA
937
mitochondrial
12S
human
cells.
Additionally,
level
1007
was
significantly
reduced
lung
tissues
sleep-deprived
mice
compared
with
control
mice.
Overall,
provides
valuable
tool
easy,
accurate,
quantitative,
which
aid
uncovering
diseases.
MedComm,
Journal Year:
2025,
Volume and Issue:
6(3)
Published: March 1, 2025
Sleep
disorder
significantly
disrupts
the
quality
of
life
for
patients.
Although
it
is
clinically
acknowledged,
fundamental
neuropathological
mechanisms
are
still
not
understood.
Recent
preclinical
research
has
been
directed
toward
understanding
underlying
sleep
deprivation
and
sleep/wake
dysregulation.
linked
to
changes
in
structure
function
neural
basis
cognition.
We
reviewed
circuits
related
disorders,
along
with
alterations
connectivity
brain
region
functions,
based
on
advancements
electrophysiology
optogenetic/chemogenetic
techniques.
subsequently
outline
cellular
molecular
modifications
disorders
studies,
primarily
involving
neuronal
metabolism,
electrophysiological
activity,
synaptic
plasticity,
glial
cells.
Correspondingly,
crosstalk
between
peripheral
organs,
we
elucidate
involvement
celiac
disease
hepatic
pathogenesis
disorders.
In
this
review,
mainly
discussed
at
molecular,
cellular,
circuit
levels
that
contribute
disorder.
The
review
also
covered
potential
strategies
treating
future
avenues.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(7), P. 1637 - 1637
Published: April 7, 2025
Attention
Deficit
Hyperactivity
Disorder
(ADHD)
is
a
prevalent
neurodevelopmental
disorder
that
significantly
impacts
learning,
daily
functioning,
and
personal
development.
Astaxanthin
(ASTA),
naturally
occurring
antioxidant,
has
garnered
interest
as
potential
therapeutic
agent
for
various
diseases,
particularly
in
mitigating
oxidative
stress.
This
study
explores
novel
application
of
ASTA
the
context
ADHD,
aiming
to
investigate
its
effects
underlying
mechanisms.
Spontaneously
hypertensive
rats
(SHRs),
widely
used
ADHD
model
animals,
were
treated
with
(50/100
mg/kg/day)
three
weeks,
5
mg/kg/day
atomoxetine
(ATO)
positive,
Wistar
Kyoto
(WKY)
control.
Behavioral
improvements
assessed
using
open
field
test
(OFT)
Morris
water
maze
(MWM).
Biochemical
analyses
conducted
evaluate
changes
levels
neurotrophic
factors,
while
histological
examinations
performed
assess
neuroprotective
effects.
Additionally,
role
brain–gut
axis
was
investigated.
The
behavioral
symptoms
hyperactivity,
anxiety,
impaired
spatial
memory
animals
mitigated
by
ASTA.
improvement
primarily
attributed
restoration
neurotransmitter
levels,
dopamine
(DA),
achieved
through
modulation
several
critical
components
within
system,
including
receptor
1
(DR1),
transporter
(DAT),
tyrosine
hydroxylase
(TH),
synaptic-associated
protein
25
(SNAP-25).
regulating
serotonin
(SERT)
glial
cell-derived
factor
(GDNF)
supports
recovery
facilitates
optimal
brain
Furthermore,
cerebellar
cells
protected,
structure
intestinal
microbiota
regulated.
can
mitigate
SHR
dopaminergic
multiple
neurotransmitters,
neuro-intestinal
environment,
which
establishes
promising
nutraceutical
candidate
adjunctive
therapy
pediatric
ADHD.
Ural Medical Journal,
Journal Year:
2024,
Volume and Issue:
23(3), P. 146 - 162
Published: July 12, 2024
Introduction
.
One
of
the
main
predictors
aging
is
sleep
disturbance,
study
role
which
in
development
accelerated
process
recognized
as
an
urgent
problem
for
medical
community.
The
aim
work
to
analyze
modern
data
on
age-related
aspects
status
and
describe
known
markers
early
associated
with
somnological
disorders.
Materials
methods
search
selection
literary
sources
was
carried
out
databases
PubMed,
eLibrary,
CyberLeninka,
Google
Scholar.
Search
depth
—
17
years,
from
2007
2024.
total
number
publications
included
review
80.
Results
discussion.
Aging
refers
a
general
pathological
that
affects
all
human
physiological
systems.
Differences
between
terms
biological
chronobiological
age
are
established.
disorders
has
been
determined.
It
established
increases,
changes
electrophysiological
pattern
observed.
found
positively
correlated
disturbance.
importance
neuroimaging
determining
rate
people
shown.
Conclusion
Sleep
disturbance
defined
significant
indicator
body.
Further
research
into
structure
quality
may
change
understanding
pathogenetic
mechanisms
contribute
new
diagnostic
therapeutic
strategies
field
anti-aging
medicine.
BMC Microbiology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Aug. 2, 2024
Chronic
stress
induces
cognitive
deficits.
There
is
a
well-established
connection
between
the
enteric
and
central
nervous
systems
through
microbiota-gut-brain
(MGB)
axis.
However,
effects
of
gut
microbiota
on
deficits
remain
unclear.
The
present
study
aimed
to
elucidate
composition
in
explore
its
potential
predicting
chronic
stress-induced
Mice
were
randomly
divided
into
control
restraint
(CRS)
groups.
mice
subjected
CRS
further
deficit
(CRS-CD)
non-cognitive
(CRS-NCD)
groups
using
hierarchical
cluster
analysis
novel
object
recognition
test
results.
diversity
analyzed.
After
being
distress,
CRS-CD
travelled
shorter
movement
distances
(p
=
0.034
vs.
CRS-NCD;
p
<
0.001
control)
had
lower
index
than
CRS-NCD
0.0001
mice.
results
revealed
that
5
bacteria
at
genus
levels
significantly
different
fecal
samples
three
Further
analyses
demonstrated
Muricomes
not
only
enriched
group
but
also
correlated
with
decreased
index.
area
under
receiver
operating
curve
for
CRS-induced
was
0.96.
Our
indicates
involved
development
induced
by
stress.
have
predict