Maternal, Paternal, and Dual-Parental Alcohol Exposures Result in Both Overlapping and Distinct Impacts on Behavior in Adolescent Offspring
Alcohol,
Год журнала:
2025,
Номер
124, С. 65 - 77
Опубликована: Янв. 22, 2025
Язык: Английский
Preconception Paternal Alcohol Consumption Elicits Postnatal Changes in Neural Retinas of the Offspring
Investigative Ophthalmology & Visual Science,
Год журнала:
2025,
Номер
66(2), С. 16 - 16
Опубликована: Фев. 6, 2025
Purpose:
This
study
aims
to
determine
the
impact
of
preconception
paternal
alcohol
consumption
(PPAC)
on
retinal
function
and
morphology
in
PPAC-offspring.
Fetal
spectrum
disorder
(FASD)–related
ocular
defects
caused
by
maternal
exposure
has
been
well
investigated,
but
influence
PPAC
offspring
eyes
remains
unknown.
Methods:
Adult
C57BL/6J
male
mice
were
exposed
either
10%
ethanol
or
water
(control)
for
six
weeks
bred
naïve
females.
Dark-adapted
light
responses
at
two,
four,
months
old
assessed
using
electroretinography
(ERG)
born
control
males.
The
thicknesses
whole
retinas
different
layers
PPAC-offspring
analyzed
two
old.
Results:
Some
had
only
one
developed
eye.
ERG
a-
b-wave
amplitudes
reduced
compared
controls,
with
a
more
pronounced
effect
significant
effects
inner
function.
At
old,
there
was
thinning
nuclear
plexiform
thickness
similar
between
both
treatment
groups.
Conclusions:
provides
pioneering
evidence
that
contributes
FASD-related
including
negative
impacts
young
adult
offspring.
Thus
adverse
prior
conception
their
(from
childhood
early
adulthood)
should
be
considered
as
seriously
contribution
FASD.
Язык: Английский
Parental Alcohol Exposures Associate with Lasting Mitochondrial Dysfunction and Accelerated Aging in a Mouse Model
Aging and Disease,
Год журнала:
2024,
Номер
unknown, С. 0 - 0
Опубликована: Янв. 1, 2024
Although
detrimental
changes
in
mitochondrial
morphology
and
function
are
widely
described
symptoms
of
fetal
alcohol
exposure,
no
studies
have
followed
these
deficits
into
adult
life
or
determined
if
they
predispose
individuals
with
spectrum
disorders
(FASDs)
to
accelerated
biological
aging.
Here,
we
used
a
multiplex
preclinical
mouse
model
compare
markers
cellular
senescence
age-related
outcomes
induced
by
maternal,
paternal,
dual-parental
exposures.
We
find
that
even
middle
(postnatal
day
300),
the
offspring
alcohol-exposed
parents
exhibited
significant
increases
stress-induced
premature
brain
liver,
including
an
upregulation
cell
cycle
inhibitory
proteins
increased
senescence-associated
β-galactosidase
activity.
Strikingly,
male
offspring,
observe
interaction
between
maternal
paternal
use,
histological
indicators
liver
disease
exceeding
those
either
use
alone.
Our
indicate
chronic
parental
causes
enduring
dysfunction
resulting
reduced
NAD+/NAHD
ratio
altered
expression
NAD+-dependent
deacetylases
SIRT1
SIRT3.
These
observations
suggest
some
aspects
FASDs
may
be
linked
aging
due
programmed
regulation
bioenergetics.
Язык: Английский
Chronic paternal alcohol exposures induce dose-dependent changes in offspring craniofacial shape and symmetry
Frontiers in Cell and Developmental Biology,
Год журнала:
2024,
Номер
12
Опубликована: Июль 1, 2024
Although
dose-response
analyses
are
a
fundamental
tool
in
developmental
toxicology,
few
studies
have
examined
the
impacts
of
toxicant
dose
on
non-genetic
paternal
inheritance
offspring
disease
and
dysgenesis.
In
this
study,
we
used
geometric
morphometric
to
examine
different
levels
preconception
alcohol
exposure
craniofacial
shape
symmetry
mouse
model.
Procrustes
ANOVA
followed
by
canonical
variant
analysis
facial
relationships
revealed
that
Low-,
Medium-,
High-dose
treatments
each
induced
distinct
changes
symmetry.
Our
identified
threshold
between
1.543
2.321
g/kg/day.
Below
threshold,
shape,
including
right
shift
features.
contrast,
above
exposures
caused
shifts
both
center,
disrupting
Consistent
with
previous
clinical
studies,
predominantly
mapped
regions
lower
portion
face,
mandible
(lower
jaw)
maxilla
(upper
jaw).
Notably,
high-dose
also
impacted
positioning
eye.
reveal
use
may
be
an
unrecognized
factor
contributing
incidence
severity
alcohol-related
defects,
complicating
diagnostics
fetal
spectrum
disorders.
Язык: Английский