Deleted Journal,
Journal Year:
2024,
Volume and Issue:
6(23), P. 542 - 546
Published: Jan. 1, 2024
Chlorinated
organophosphate
flame
retardants
(Cl-OPFRs)
are
frequently
detected
chemicals
in
the
environment
and
biological
samples,
yet
there
is
a
lack
of
systematic
evaluation
regarding
adverse
effects
toxicological
mechanisms
Cl-OPFRs.
This
study
utilizes
outcome
pathway
(AOP)
framework
to
assess
health
implications
Cl-OPFRs,
identifying
multi-system
toxicity,
with
particular
emphasis
on
reproductive
issues
possible
toxic
mechanisms.
These
results
enhance
knowledge
hazards
linked
supporting
creation
focused
risk
evaluations
suitable
regulatory
actions.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(51), P. 21550 - 21557
Published: Dec. 12, 2023
Synthetic
antioxidants,
including
synthetic
phenolic
antioxidants
(SPAs),
amine
(AAs),
and
organophosphite
(OPAs),
are
essential
additives
for
preventing
oxidative
aging
in
various
industrial
consumer
products.
Increasing
attention
has
been
paid
to
the
environmental
contamination
caused
by
these
chemicals,
but
our
understanding
of
is
generally
limited
compared
other
emerging
contaminants
such
as
plasticizers
flame
retardants.
Many
people
spend
a
significant
portion
(normally
greater
than
80%)
their
time
indoors,
meaning
that
they
experience
widespread
persistent
exposure
indoor
contaminants.
Thus,
this
Perspective
focuses
on
problem
The
wide
application
commercial
products
demonstrated
toxicity
make
them
an
important
family
concern.
However,
knowledge
gaps
still
need
be
bridged:
novel
related
transformation
identified
environments,
different
dust
sampling
strategies
should
employed
evaluate
human
contaminants,
geographic
scope
research
broadened,
partition
coefficients
among
media
investigated.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
280, P. 116524 - 116524
Published: June 5, 2024
Organophosphate
esters
(OPEs)
and
Per-
polyfluoroalkyl
substances
(PFAS)
are
ubiquitous
environmental
contaminants
with
common
exposure
sources,
leading
to
their
widespread
presence
in
human
body.
However,
evidence
on
co-exposure
OPEs
PFAS
its
impact
cardiovascular-kidney-liver-metabolic
biomarkers
remains
limited.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(13), P. 5739 - 5749
Published: March 8, 2024
Epidemiological
studies
have
demonstrated
the
embryonic
and
developmental
toxicity
of
plasticizers.
Thus,
understanding
in
utero
biotransformation
accumulation
plasticizers
is
essential
to
assessing
their
fate
potential
early
life.
In
present
study,
311
infant
hair
samples
271
paired
meconium
were
collected
at
birth
Guangzhou,
China,
characterize
fetal
exposure
legacy
emerging
metabolites.
Results
showed
that
most
target
detected
hair,
with
medians
9.30,
27.6,
0.145
ng/g
for
phthalate
esters
(PAEs),
organic
phosphate
ester
(OPEs),
alternative
(APs),
1.44,
0.313,
0.066
metabolites
PAEs,
OPEs,
APs,
respectively.
Positive
correlations
between
corresponding
primary
metabolites,
as
well
among
oxidative
bis(2-ethylhexyl)
(DEHP)
1,2-cyclohexane
dicarboxylic
acid
diisononyl
(DINCH),
observed,
indicating
retained
major
phase-I
metabolism
While
no
positive
found
parent
compounds
or
meconium,
significant
observed
secondary
DEHP
DINCH
suggesting
come
from
hydrolysis
fetus
but
maternal-fetal
transmission.
The
compound/metabolite
ratios
a
decreasing
trend
across
pregnancy,
deposition
To
best
our
knowledge,
this
study
first
report
both
by
using
noninvasive
biomonitoring
matrices
provides
novel
insights
into
pregnancy.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(31), P. 13648 - 13657
Published: July 29, 2024
Organophosphorus
flame
retardants
(OPFRs)
such
as
triphenyl
phosphate
(TPHP)
and
tris(1,3-dichloro-2-propyl)
(TDCIPP)
were
reported
to
impair
cardiac
function
in
fish.
However,
limited
information
is
available
regarding
their
cardiotoxic
mechanisms.
Using
rare
minnow
(Gobiocypris
rarus)
a
model,
we
found
that
both
TPHP
TDCIPP
exposures
decreased
heart
rate
at
96
h
postfertilization
(hpf)
embryos.
Atropine
(an
mAChR
antagonist)
can
significantly
attenuate
the
bradycardia
caused
by
TPHP,
but
only
marginally
attenuated
treatment,
suggesting
TDCIPP-induced
independent
of
mAChR.
Unlike
TDCIPP,
although
TPHP-induced
could
be
reversed
transferring
larvae
clean
medium,
inhibitory
effect
AChE
activity
persisted
compared
hpf,
indicating
existence
other
regulatory
Transcriptome
profiling
revealed
cardiotoxicity-related
pathways
treatments
24
72
hpf
embryos/larvae.
Similar
transcriptional
alterations
also
confirmed
hearts
adult
Further
studies
verified
interfere
with
Na+/Ca2+
transport
lead
disorders
excitation–contraction
coupling
larvae.
Our
findings
provide
useful
clues
for
unveiling
differential
mechanisms
OPFRs
identifying
abnormal
one
select
few
known
factors
sufficient
fish
function.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(35), P. 15486 - 15496
Published: Aug. 21, 2024
Aryl
phosphorus
flame
retardants
(aryl-PFRs),
such
as
triphenyl
phosphate
(TPHP)
and
diphenyl
(DPHP),
are
widely
used
worldwide.
Understanding
the
fates
of
aryl-PFRs
Tris(2-chloroethyl)
phosphate
(TCEP),
a
prevalent
organophosphorus
flame
retardant,
has
been
identified
in
various
environmental
matrices
and
human
blood
samples,
provoking
alarm
regarding
its
hematological
toxicity,
subject
that
not
thoroughly
investigated.
Red
cells
(RBCs),
or
erythrocytes,
are
the
predominant
cell
type
peripheral
crucial
for
maintenance
of
physiological
health.
This
investigation
employed
oral
gavage
to
examine
effects
TCEP
exposure
on
erythrocyte
counts
mice
clarify
underlying
mechanisms.
The
results
demonstrated
marked
increase
circulating
RBC
post-TCEP
exposure,
concomitantly
heightening
risk
polycythemia
vera
(PV).
stimulated
erythropoiesis
across
all
stages
medullary
development,
including
differentiation
hematopoietic
stem
into
erythroid
progenitors,
progression
maturation
erythrocyte.
Moreover,
potentiated
extramedullary
spleen
liver.
Subsequent
bioinformatics
analysis
implied
TCEP-induced
was
attributed
p53
downregulation.
Thus,
these
findings
indicate
disrupts
erythrocyte-mediated
homeostasis
through
enhancement
both
erythropoiesis,
leading
alteration
equilibrium.
Ecotoxicology and Environmental Safety,
Journal Year:
2025,
Volume and Issue:
291, P. 117877 - 117877
Published: Feb. 1, 2025
Diabetic
kidney
disease
is
a
significant
complication
of
diabetes
mellitus,
and
exposure
to
certain
chemicals
may
play
role
in
its
development.
Triphenyl
phosphate
(TPHP)
commonly
used
plastics
flame
retardants.
This
study
aims
investigate
the
potential
impact
TPHP
metabolite
diphenyl
(DPHP)
on
diabetic
using
various
methods,
including
network
toxicology,
molecular
docking,
cell
experiments
like
CCK8
assay
real-time-PCR.
The
research
examined
relationship
between
urinary
DPHP
levels
function
American
adults
data
from
National
Health
Nutrition
Examination
Survey
(NHANES)
2017
March
2020.
Additionally,
explored
targets
action
for
toxicity
analysis,
conducted
protein
interaction
functional
aspects
through
Gene
Ontology
Kyoto
Encyclopedia
Genes
Genomes
enrichment
analysis.
Furthermore,
identified
key
proteins
involved
experimental
verification
by
treating
cells
with
DPHP.
Toxicity
analysis
showed
that
could
cause
dose-dependent
mouse
podocyte
clone
5
(MPC5)
mesangial
(MES13).
also
detected
mRNA
expression
core
molecularly
docked
results
indicated
statistically
regulation
most
MPC5,
MES13,
human
kidney-2
cells.