Unveiling the emerging concern of per- and polyfluoroalkyl substances (PFAS) and their potential impacts on estuarine ecosystems
Marine Pollution Bulletin,
Journal Year:
2025,
Volume and Issue:
212, P. 117554 - 117554
Published: Jan. 20, 2025
Language: Английский
In Utero Perfluorodecanoic Acid Exposure Causes Fetal Leydig Cell Dysfunction via Endoplasmic Reticulum Stress-Mediated Lipid Composition Alteration
Zheyuan Ren,
No information about this author
Chengshuang Pan,
No information about this author
Yaoyao Dong
No information about this author
et al.
Chemical Research in Toxicology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Perfluorodecanoic
acid
(PFDA),
a
C10
fluorine-containing
compound,
is
used
widely
and
found
to
be
present
anywhere.
However,
whether
it
has
reproductive
toxicity
for
fetal
Leydig
cells
the
underlying
mechanisms
remain
unknown.
PFDA
was
investigated
its
effects
on
(FLCs)
following
exposure
0,
1,
2.5,
5
mg/kg/days
(gavage
dams)
from
day
14
21
during
gestation.
The
study
showed
that
in
utero
medium-dose
(1,
2.5
mg/kg/days)
increased
body
weight.
markedly
reduced
serum
testosterone
levels,
downregulated
FLC
genes
(Lhcgr,
Star,
Cyp11a1,
Hsd3b1,
Cyp17a1,
Insl3),
decreased
their
protein
levels
neonatal
rat
testes.
at
mg/kg/day
altered
lipid
metabolism
with
upregulation
of
Elovl1
downregulation
Scd2,
subsequently
inducing
endoplasmic
reticulum
stress.
Additionally,
transcription
factor
Gli1,
thereby
inhibiting
cell
differentiation.
Meanwhile,
biosynthesis
R2C
vitro,
stress
inhibitor
tauroursodeoxycholic
(TUDCA)
reversed
this
process.
In
conclusion,
disrupts
testicular
metabolism,
induces
stress,
interferes
steroidogenesis
network,
leading
dysfunction.
This
underscores
potential
environmental
risk
development
male
function
development.
Language: Английский
Accumulation and trophic transfer of per- and polyfluoroalkyl substances (PFAS) in estuarine organisms determined via stable isotopes
Kevin Shaffer,
No information about this author
Xiayan Ye,
No information about this author
Cheng‐Shiuan Lee
No information about this author
et al.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
967, P. 178742 - 178742
Published: Feb. 12, 2025
Language: Английский
Accumulation of Per- and Polyfluoroalkyl Substances (PFAS) in Coastal Sharks from Contrasting Marine Environments: The New York Bight and The Bahamas
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(29), P. 13087 - 13098
Published: July 12, 2024
Per-
and
polyfluoroalkyl
substances
(PFAS)
enter
the
marine
food
web,
accumulate
in
organisms,
potentially
have
adverse
effects
on
predators
consumers
of
seafood.
However,
evaluations
PFAS
meso-to-apex
predators,
like
sharks,
are
scarce.
This
study
investigated
occurrence
five
shark
species
from
two
ecosystems
with
contrasting
relative
human
population
densities,
New
York
Bight
(NYB)
coastal
waters
The
Bahamas
archipelago.
total
detected
(∑PFAS)
concentrations
muscle
tissue
ranged
1.10
to
58.5
ng
g
Language: Английский