Abstract
Background:
Maternal
oxidative
stress
during
pregnancy
plays
as
hazardous
factor
of
offspring
neurodevelopment
in
animal
models.
However,
epidemiological
evidence
remains
limited.
In
this
prospective
cohort,
we
aimed
to
investigate
the
associations
between
maternal
biomarkers
across
and
neurodevelopmental
outcomes
different
stages
early
childhood.
Methods:
This
is
a
cohort
study
conducted
1791
mother-child
pairs
from
Wuhan,
China.
Three
biomarkers,
including
DNA
biomarker
(8-hydroxy-2'-deoxyguanosine,
8-OHdG),
RNA
(8-hydroxyguanosine,
8-OHG),
lipid
(4-hydroxy
nonenal
mercapturic
acid,
HNE-MA),
were
measured
repeatedly
collected
urine
samples
three
trimesters
pregnancy.
We
followed
children
at
age
2,
3,
4-6
years.
At
Bayley
Scales
was
employed
assess
children's
mental
psychomotor
development.
Brain-derived
neurotrophic
(BDNF)
levels
plasma
3.
The
Wechsler
Preschool
Primary
Scale
-
Fourth
Edition
(WPPSI-IV)
used
intelligence
quotients
ages
4-6.
Generalized
estimating
equations
performed
explore
outcomes.
Results:
Higher
HNE-MA
late-pregnancy
associated
with
lower
development
index
2
(β:
-0.95;
95%
CI:
-1.78∼
-0.11).
Elevated
early-
mid-pregnancy
decreased
BDNF
3
-0.07;
-0.13∼
-0.01).
Each
unit
increase
natural
log-transformed
(Ln)
8-OHdG
8-OHG
concentrations
decrease
full-scale
quotient
5.94
years
-1.55
points
(95%
-2.84
∼
-0.26)
-1.89
-3.30
-0.49),
respectively.
Conclusion:
suggested
that
higher
each
trimester
might
be
risk
consistently
suboptimal
childhood,
pre-school
ages.
Zika
virus
(ZIKV)
poses
a
significant
threat
due
to
its
association
with
severe
neurological
complications,
particularly
during
pregnancy.
Although
viruses
exhibit
tropism
for
neural
cells,
including
astrocytes,
the
role
of
these
cells
in
controlling
ZIKV
replication
remains
unclear.
In
this
study,
we
demonstrated
that
induces
caspase‐1
activation
primary
astrocytes
despite
absence
classical
signs
inflammasome
activation.
Caspase‐1
and
caspase‐11
double
knockout
(
caspase‐1/11
−/−
)
heightened
permissiveness
viral
replication,
accompanied
by
overactivation
glycolytic
metabolism.
Inhibition
glycolysis
reversed
susceptibility
infection.
Protein
network
analysis
revealed
mammalian
target
rapamycin
complex
(mTORC)
as
link
between
proteins
involved
caspase‐1,
mTORC
inhibition
also
suppressed
replication.
Furthermore,
found
impact
on
depends
regulation
pyruvate
transport
mitochondria
Overall,
our
findings
elucidate
caspase‐1/11‐dependent
microbicidal
mechanism
involves
mTORC/glycolytic
pathway/pyruvate
axis,
providing
insights
into
potential
therapeutic
targets
Frontiers in Aging Neuroscience,
Год журнала:
2025,
Номер
17
Опубликована: Март 27, 2025
Alzheimer’s
disease
(AD)
is
a
widespread
neurodegenerative
disorder
and
one
of
the
major
challenges
for
public
health.
Despite
extensive
research,
role
microglia
in
AD
remains
complex
dual.
The
aim
this
review
to
summarize
most
recent
advances
research
regarding
dual
concerning
both
immunomodulation
pathological
progression
by
considering
mechanisms
activation
microglia,
effects
on
Aβ
clearance,
tau
pathology,
impacts
due
genetic
variations
microglial
functions.
Among
these
findings
are
status
M1
M2
phenotypes,
crucial
that
variants
like
TREM2
have
modulating
response
microglia.
This
describes
how
modulation
signaling
pathway
might
be
exploited
therapeutically
treatment
underlines
relevance
personalized
medicine
approach.
Frontiers in Aging Neuroscience,
Год журнала:
2023,
Номер
15
Опубликована: Май 18, 2023
Many
lines
of
evidence
suggest
that
mitochondria
have
a
central
role
in
aging-related
neurodegenerative
diseases,
such
as
Alzheimer's
disease
(AD).
Mitochondrial
dysfunction,
cerebral
energy
dysmetabolism
and
oxidative
damage
increase
with
age,
are
early
event
AD
pathophysiology
may
precede
amyloid
beta
(Aβ)
plaques.
In
vivo
probes
mitochondrial
function
metabolism
therefore
crucial
to
characterize
the
bioenergetic
abnormalities
underlying
risk,
their
relationship
cognition.
A
majority
research
conducted
humans
used
18
F-fluoro-deoxygluose
(FDG)
PET
image
glucose
(CMRglc),
but
key
information
regarding
phosphorylation
(OXPHOS),
process
which
generates
90%
for
brain,
cannot
be
assessed
this
method.
Thus,
there
is
need
imaging
tools
measure
processes
OXPHOS
human
brain.
31
Phosphorus-magnetic
resonance
spectroscopy
(
P-MRS)
non-invasive
method
allows
measurement
OXPHOS-related
high-energy
phosphates
(HEP),
including
phosphocreatine
(PCr),
adenosine
triphosphate
(ATP),
inorganic
phosphate
(Pi),
addition
potential
hydrogen
(pH),
well
components
phospholipid
metabolism,
phosphomonoesters
(PMEs)
phosphodiesters
(PDEs).
Herein,
we
provide
systematic
review
existing
literature
utilizing
P-MRS
methodology
during
normal
aging
patients
mild
cognitive
impairment
(MCI)
AD,
an
additional
focus
on
individuals
at
risk
AD.
We
discuss
strengths
limitations
technique,
considering
future
directions
toward
validating
use
measures
biomarkers
detection
Abstract
Background:
Maternal
oxidative
stress
during
pregnancy
plays
as
hazardous
factor
of
offspring
neurodevelopment
in
animal
models.
However,
epidemiological
evidence
remains
limited.
In
this
prospective
cohort,
we
aimed
to
investigate
the
associations
between
maternal
biomarkers
across
and
neurodevelopmental
outcomes
different
stages
early
childhood.
Methods:
This
is
a
cohort
study
conducted
1791
mother-child
pairs
from
Wuhan,
China.
Three
biomarkers,
including
DNA
biomarker
(8-hydroxy-2'-deoxyguanosine,
8-OHdG),
RNA
(8-hydroxyguanosine,
8-OHG),
lipid
(4-hydroxy
nonenal
mercapturic
acid,
HNE-MA),
were
measured
repeatedly
collected
urine
samples
three
trimesters
pregnancy.
We
followed
children
at
age
2,
3,
4-6
years.
At
Bayley
Scales
was
employed
assess
children's
mental
psychomotor
development.
Brain-derived
neurotrophic
(BDNF)
levels
plasma
3.
The
Wechsler
Preschool
Primary
Scale
-
Fourth
Edition
(WPPSI-IV)
used
intelligence
quotients
ages
4-6.
Generalized
estimating
equations
performed
explore
outcomes.
Results:
Higher
HNE-MA
late-pregnancy
associated
with
lower
development
index
2
(β:
-0.95;
95%
CI:
-1.78∼
-0.11).
Elevated
early-
mid-pregnancy
decreased
BDNF
3
-0.07;
-0.13∼
-0.01).
Each
unit
increase
natural
log-transformed
(Ln)
8-OHdG
8-OHG
concentrations
decrease
full-scale
quotient
5.94
years
-1.55
points
(95%
-2.84
∼
-0.26)
-1.89
-3.30
-0.49),
respectively.
Conclusion:
suggested
that
higher
each
trimester
might
be
risk
consistently
suboptimal
childhood,
pre-school
ages.