EFSA Journal,
Journal Year:
2023,
Volume and Issue:
21(11)
Published: Nov. 1, 2023
This
publication
is
linked
to
the
following
EFSA
Supporting
Publications
articles:
http://onlinelibrary.wiley.com/doi/10.2903/sp.efsa.2023.EN-8441/full,
http://onlinelibrary.wiley.com/doi/10.2903/sp.efsa.2023.EN-8440/full,
http://onlinelibrary.wiley.com/doi/10.2903/sp.efsa.2023.EN-8437/full
Archives of Toxicology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
Abstract
Unraveling
the
associations
between
human
exposure
to
environmental
chemicals
and
potential
neurotoxicity
presents
significant
challenges.
Evaluation
of
using
animal
testing
is
resource-intensive
(financial,
labor,
use)
faces
uncertainties
regarding
biological
relevance
health
outcomes.
Therefore,
there
a
need
develop
efficient
human-relevant
in
vitro
new
approach
methodologies
(NAMs)
screen
evaluate
for
potential.
Recording
neural
network
activity
microelectrode
array
(MEA)
technology
has
been
identified
as
reliable
reproducible
method
evaluating
neurotoxicity.
Much
this
research
performed
2D
rodent-derived
cell
models.
The
‘BrainSpheres
MEA
assay’
described
study
offers
promising
functional
induced
pluripotent
stem
(iPSC)-derived
3D
brain
model
comprising
neurons,
astrocytes,
oligodendrocytes.
We
demonstrate
consistent
spontaneous
neuronal
firing
bursting
parameters
from
7-week-old
BrainSpheres
high-density
technology.
performance
NAM
was
evaluated
by
conducting
multi-concentration,
13
day
with
set
ten
chemicals.
Neural
metrics
were
assessed
compared
results
2D-MEA
assay
rodent
cells.
Loperamide
domoic
acid
(two
positive
controls)
demonstrated
similar
bioactivity
profiles
BrainSphere
assay,
while
acetaminophen
(assay
negative
control)
inactive
both
assays.
more
potent
4/7
that
active
In
future,
reducing
replicate
variability
larger
will
likely
improve
accuracy
reliability
assay.
These
preliminary
findings
suggest
could
be
used
alongside
rat
formation
(rNFA)
part
tiered
strategy,
where
hits
rNFA
are
confirmed
further
characterized
model,
helping
move
toward
animal-free
toxicological
testing.
Trends in Food Science & Technology,
Journal Year:
2023,
Volume and Issue:
142, P. 104191 - 104191
Published: Oct. 4, 2023
The
conventional
toxicological
approach
which
primarily
relies
on
animal
testing
has
undergone
several
transformations
in
recent
years
due
to
limitations
translational
relevance,
ethical
and
reproducibility
concerns,
high
costs,
time-consuming
procedures.
NAMs
have
emerged
as
alternative
techniques
that
incorporate
silico,
chemico,
vitro
approaches
provide
mechanism-based
insights
with
improved
ethics
human-relevant
safety
data.
current
landscape
of
employed
for
food
risk
assessments
research
regulatory
settings
is
examined
a
focus
their
strengths,
limitations,
validation,
standardisation,
status.
Furthermore,
the
challenges
associated
evaluation
complex
matrices
are
highlighted
key
considerations
utilisation
assessments.
acceptance
progressive
majority
demonstrating
more
relevance
general
chemical
pharmaceutical
cosmetics
industries.
There
need
advance
approval
address
battery
tests
demonstrated
applicable
assessment
matrices.
review
provides
into
status
food-relevant
identifies
areas
requiring
adoption
increase
wider
applicability.
EFSA Journal,
Journal Year:
2023,
Volume and Issue:
21(11)
Published: Nov. 1, 2023
This
publication
is
linked
to
the
following
EFSA
Supporting
Publications
articles:
http://onlinelibrary.wiley.com/doi/10.2903/sp.efsa.2023.EN-8441/full,
http://onlinelibrary.wiley.com/doi/10.2903/sp.efsa.2023.EN-8440/full,
http://onlinelibrary.wiley.com/doi/10.2903/sp.efsa.2023.EN-8437/full