Endocrinology,
Journal Year:
2022,
Volume and Issue:
163(10)
Published: Aug. 8, 2022
Abstract
The
period
of
brain
sexual
differentiation
is
characterized
by
the
development
hormone-sensitive
neural
circuits
that
govern
subsequent
presentation
sexually
dimorphic
behavior
in
adulthood.
Perturbations
hormones
endocrine-disrupting
chemicals
(EDCs)
during
this
developmental
interfere
with
an
organism’s
endocrine
function
and
can
disrupt
normative
organization
male-
or
female-typical
circuitry.
This
well
for
reproductive
social
behaviors
their
underlying
circuitry
hypothalamus
other
limbic
regions
brain;
however,
cognitive
are
also
dimorphic,
potentially
vulnerable
to
EDC
exposure
critical
periods
development.
review
provides
recent
evidence
sex-specific
changes
brain’s
monoaminergic
systems
(dopamine,
serotonin,
norepinephrine)
after
relates
these
outcomes
sex
differences
cognition
such
as
affective,
attentional,
learning/memory
behaviors.
Nutrients,
Journal Year:
2019,
Volume and Issue:
11(4), P. 820 - 820
Published: April 11, 2019
This
four-week,
randomized,
double-blind,
placebo-controlled
study
investigated
the
effects
of
Lactobacillus
plantarum
PS128
(PS128)
on
boys
with
autism
spectrum
disorder
(ASD)
aged
7-15
in
Taiwan.
All
subjects
fulfilled
criteria
for
ASD
diagnosis
DSM-V
and
Autism
Diagnostic
Interview-Revised
(ADI-R).
Questionnaires
used
primary
outcome
measure
include
Behavior
Checklist-Taiwan
version
(ABC-T),
Social
Responsiveness
Scale
(SRS)
Child
Checklist
(CBCL).
The
Swanson,
Nolan,
Pelham-IV-Taiwan
(SNAP-IV)
Clinical
Global
Impression-improvement
(CGI-I)
were
secondary
measure.
results
showed
that
ameliorated
opposition/defiance
behaviors,
total
score
SNAP-IV
younger
children
(aged
712)
improved
significantly
compared
placebo
group.
Additionally,
several
elements
also
notably
group
after
28-day
consumption
PS128.
Further
studies
are
needed
to
better
clarify
broader
symptoms.
Molecular Autism,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: Sept. 10, 2020
The
complex
pathophysiology
of
autism
spectrum
disorder
encompasses
interactions
between
genetic
and
environmental
factors.
On
the
one
hand,
hundreds
genes,
converging
at
functional
level
on
selective
biological
domains
such
as
epigenetic
regulation
synaptic
function,
have
been
identified
to
be
either
causative
or
risk
factors
autism.
other
exposure
chemicals
that
are
widespread
in
environment,
endocrine
disruptors,
has
associated
with
adverse
effects
human
health,
including
neurodevelopmental
disorders.
Interestingly,
experimental
results
suggest
an
overlap
regulatory
pathways
perturbed
by
mutations
factors,
depicting
convergences
interplays
susceptibility
toxic
insults.
pervasive
nature
chemical
poses
pivotal
challenges
for
neurotoxicological
studies,
agencies,
policy
makers.
This
highlights
emerging
need
developing
new
integrative
models,
biomonitoring,
epidemiology,
experimental,
computational
tools,
able
capture
real-life
scenarios
encompassing
interaction
chronic
mixture
substances
individuals'
backgrounds.
In
this
review,
we
address
intertwined
roles
lesions
Specifically,
outline
transformative
potential
stem
cell
coupled
omics
analytical
approaches
increasingly
single
resolution,
tools
experimentally
dissect
pathogenic
mechanisms
underlying
disorders,
well
improve
developmental
neurotoxicology
assessment.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 7, 2024
Male
sex,
early
life
chemical
exposure
and
the
brain
aromatase
enzyme
have
been
implicated
in
autism
spectrum
disorder
(ASD).
In
Barwon
Infant
Study
birth
cohort
(n
=
1074),
higher
prenatal
maternal
bisphenol
A
(BPA)
levels
are
associated
with
ASD
symptoms
at
age
2
diagnosis
9
only
males
low
genetic
pathway
activity
scores.
Higher
BPA
predictive
of
cord
blood
methylation
across
CYP19A1
promoter
I.f
region
(P
0.009)
gene
mediates
0.01)
link
between
brain-derived
neurotrophic
factor
methylation,
independent
replication.
suppressed
expression
vitro
vivo.
mice
exposed
to
mid-gestation
or
knockout
ASD-like
behaviors
structural
functional
changes.
10-hydroxy-2-decenoic
acid
(10HDA),
an
estrogenic
fatty
alleviated
these
features
reversed
detrimental
neurodevelopmental
expression.
Here
we
demonstrate
that
is
impaired
function
ASD-related
abnormalities
may
be
reversible
through
postnatal
10HDA
intervention.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 22, 2025
Bisphenol
A
(BPA),
an
endocrine-disrupting
chemical,
is
increasingly
linked
to
the
pathogenesis
of
autism
spectrum
disorder
(ASD).
This
study
investigates
effects
prenatal
BPA
exposure
on
neural
stem
cells
(NSCs)
from
hippocampi
rat
offspring,
a
brain
region
critical
for
neurodevelopment
and
implicated
in
ASD.
Pregnant
rats
were
administered
with
or
vehicle
control
once
daily
via
oral
gavage
gestational
day
1
until
parturition.
NSCs
isolated
offspring's
postnatal
1,
RNA
sequencing
was
performed
examine
transcriptomic
alterations.
Differentially
expressed
genes
(DEGs)
identified
through
RNA-seq
further
analyzed
using
Ingenuity
Pathway
Analysis
(IPA)
explore
disrupted
pathways.
In
addition,
vitro
proliferation
assays
conducted,
utilizing
immunofluorescence
staining
Sox2,
cell
marker,
BrdU
quantify
proliferating
NSCs.
Our
results
revealed
that
induced
sex-specific
alterations
NSC
gene
expression,
ASD-related
such
as
Atp1a3,
Nefl,
Grin1
being
particularly
dysregulated
male
offspring.
Moreover,
changes
observed.
The
underscores
BPA's
potential
environmental
risk
factor
ASD,
emphasizing
need
research
into
its
role
neurodevelopmental
effects.
Environmental Health Perspectives,
Journal Year:
2019,
Volume and Issue:
127(4)
Published: April 1, 2019
Background:
Estimates
of
autism
prevalence
have
increased
dramatically
over
the
past
two
decades.
Evidence
suggests
environmental
factors
may
contribute
to
etiology
disorder.
Objectives:
This
scoping
review
aimed
identify
and
categorize
primary
research
reviews
on
association
between
prenatal
early
postnatal
exposure
chemicals
development
in
epidemiological
studies
rodent
models
autism.
Methods:
PubMed
was
searched
through
8
February
2018.
Included
assessed
prior
2
months
age
humans
or
14
d
rodents.
Rodent
were
considered
relevant
if
they
included
at
least
one
measurement
reciprocal
social
communicative
behavior
repetitive
stereotyped
behavior.
Study
details
are
presented
interactive
displays
using
Tableau
Public.
Results:
The
search
returned
21,603
unique
studies,
which
54
46
experimental
50
deemed
relevant,
covering
152
chemical
exposures.
most
frequently
studied
exposures
particulate
matter
(n=14),
mercury
nonspecific
air
pollution
(n=10),
lead
(n=10).
In
chlorpyrifos
(n=9),
(n=6),
(n=4).
Discussion:
Although
is
growing
rapidly,
wide
variability
exists
study
design
conduct,
investigated,
outcomes
assessed.
Conclusions
focus
recommendations
guide
best
practices
epidemiology
toxicology,
including
greater
harmonization
across
these
fields
more
quickly
efficiently
concern.
particular,
we
recommend
chlorpyrifos,
lead,
polychlorinated
biphenyls
(PCBs)
be
systematically
reviewed
order
assess
their
relationship
with
There
a
pressing
need
move
forward
understand
influences
answer
current
regulatory
questions
inform
treatment
prevention
efforts.
https://doi.org/10.1289/EHP4386
Scientific Reports,
Journal Year:
2019,
Volume and Issue:
9(1)
Published: Feb. 28, 2019
Abstract
Autism
spectrum
disorder
(ASD)
is
a
neurodevelopmental
inexplicably
biased
towards
males.
Although
prenatal
exposure
to
bisphenol
A
(BPA)
has
recently
been
associated
with
the
ASD
risk,
whether
BPA
dysregulates
ASD-related
genes
in
developing
brain
remains
unclear.
In
this
study,
transcriptome
profiling
by
RNA-seq
analysis
of
hippocampi
isolated
from
neonatal
pups
prenatally
exposed
was
conducted
and
revealed
list
differentially
expressed
(DEGs)
ASD.
Among
DEGs,
several
candidate
genes,
including
Auts2
Foxp2
,
were
dysregulated
showed
sex
differences
response
exposure.
The
interactome
pathway
analyses
DEGs
using
Ingenuity
Pathway
Analysis
software
significant
associations
between
males
neurological
functions/disorders
Moreover,
reanalysis
data
previously
published
studies
consistently
that
BPA-responsive
significantly
genes.
findings
study
indicate
alters
expression
ASD-linked
hippocampus
suggest
maternal
may
increase
susceptibility
dysregulating
functions
known
be
negatively
impacted
ASD,
which
deserves
further
investigations.
Environment International,
Journal Year:
2020,
Volume and Issue:
145, P. 106078 - 106078
Published: Sept. 7, 2020
The
normal
brain
development
and
function
are
delicately
driven
by
an
ever-changing
milieu
of
steroid
hormones
arising
from
fetal,
placental,
maternal
origins.
This
reliance
on
the
neuroendocrine
system
sets
stage
for
exquisite
sensitivity
central
nervous
to
adverse
effects
endocrine‐disrupting
chemicals
(EDCs).
Bisphenol
A
(BPA)
is
one
most
common
EDCs
which
has
been
a
particular
focus
environmental
concern
decades
due
its
widespread
nature
formidable
threat
human
animal
health.
heightened
regulatory
actions
scientific
public
over
health
BPA
have
led
replacement
with
suite
structurally
similar
but
less
known
alternative
chemicals.
S
(BPS)
main
substitute
that
increasingly
being
used
in
wide
array
consumer
industrial
products.
Although
it
was
considered
be
safe
alternative,
mounting
evidence
points
deleterious
BPS
range
functions
animals.
In
addition
reproductive
toxicity,
recent
experimental
efforts
indicate
considerable
potential
induce
neurotoxicity
behavioral
dysfunction.
review
analyzes
current
state
knowledge
regarding
neurobehavioral
discusses
mode
several
aspects
system.
We
summarize
role
certain
their
signaling
pathways
regulation
behavior
discuss
how
induces
through
interactions
these
pathways.
Finally,
we
links
between
exposure
aberrant
animals
identify
key
gaps
hypotheses
future
research.
Scientific Reports,
Journal Year:
2021,
Volume and Issue:
11(1)
Published: Jan. 13, 2021
Abstract
Our
recent
study
has
shown
that
prenatal
exposure
to
bisphenol
A
(BPA)
altered
the
expression
of
genes
associated
with
autism
spectrum
disorder
(ASD).
In
this
study,
we
further
investigated
effects
BPA
on
ASD-related
known
regulate
neuronal
viability,
neuritogenesis,
and
learning/memory,
assessed
these
functions
in
offspring
exposed
pregnant
rats.
We
found
increased
neurite
length,
number
primary
neurites,
branches,
but
reduced
size
hippocampal
cell
body
both
sexes
offspring.
However,
utero
decreased
viability
density
hippocampus
impaired
learning/memory
only
male
while
females
were
not
affected.
Interestingly,
several
(e.g.
Mief2
,
Eif3h
Cux1
Atp8a1
)
dysregulated
showed
a
sex-specific
correlation
and/or
learning/memory.
The
findings
from
suggest
disrupts
involved
sex-dependent
manner,
may
play
an
important
role
risk
higher
prevalence
ASD
males
subjected
exposure.