Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
287, P. 117303 - 117303
Published: Nov. 1, 2024
Fish
meat
is
recommended
for
consumption
as
a
source
of
protein,
essential
unsaturated
fatty
acids,
and
fat-soluble
vitamins,
unfortunately
it
can
also
be
dangerous
contaminants.
The
aim
the
study
was
to
assessment
level
Zn,
Cu
Pb
in
water
bottom
sediments
collected
summer
autumn
from
Koronowo
Reservoir
Wierzchucińskie
Duże
Lake
tissues
perch
(Perca
fluviatilis
L.)
rudd
(Scardinius
erythrophtalmus
health
risk
potential
consumers.
Metals
accumulated
following
order:
meat,
liver
gills:
Zn
>
Pb.
Of
four
factors
taken
into
account,
such
as:
type
tissue,
fish
species,
catching
season
place
catching,
first
one
determined
degree
metal
accumulation
greatest
extent.
high
muscle
tissue
by
content
this
(0.383
mg
kg-1
ww).
bioconcentration
factor
(BCF)
Pb,
all
analysed
much
higher
than
sediments.
highest
value
pollution
index
(MPI)
(1.42),
(12.97),
gills
(8.49)
calculated
summer-caught
fish.
research
indicated
that
100
g
could
meet
daily
requirement
up
26.3
%
16.4
%.
according
RDA
2.4
Frontiers in Marine Science,
Journal Year:
2024,
Volume and Issue:
11
Published: Nov. 29, 2024
Heavy
metals
(HMs)
contamination
significantly
threatens
plants,
animals,
aquatic
ecosystems,
and
public
health.
HMs’
accumulation
in
environments
has
become
a
serious
environmental
issue
due
to
their
high
stability,
bioaccumulation,
biomagnification
properties.
These
enter
ecosystems
through
both
natural
sources
and/or
human
activities.
The
toxicity
of
HMs
poses
threat
the
aquaculture
sector’s
sustainability
by
negatively
affecting
fish
growth,
reproduction,
overall
physiology.
Exposure
various
forms
can
cause
damage,
which
may
affect
health
direct
poisoning
symptoms
or
other
adverse
effects.
One
such
effect
is
increased
production
reactive
oxygen
species
(ROS),
crucial
metabolites
that
modulate
functions
pathogenic
organisms
lead
oxidative
stress.
This,
turn,
contribute
onset
exacerbation
numerous
diseases
threaten
This
review
article
examines
potential
organisms,
impact
this
on
generation
ROS,
implications
for
resulting
from
consumption
contaminated
products.
Drosophila
melanogaster
serves
as
a
important
research
model
both
for
genetic
investigations
and
the
study
of
metal
toxicity,
facilitating
elucidation
physiological
mechanisms
comparable
to
those
human
organisms.
In
our
research,
we
evaluated
toxicity
effect
resulting
from
exposure
various
concentrations
lead
copper
on
prolificity
rates
throughout
life
cycle
(egg-adult)
four
genotypes
melanogaster:
wild-type
(control),
white,
brown,
white-vestigial.
During
study,
were
examined
across
three
repetitions
under
impact
0.50,
1.00,
2.00,
4.00
mM
(CuSO4)
(Pb(C2H3O2)2).
Prolificity
exhibited
variations
direct
consequence
factors,
concentration
exposure,
specific
type
metal,
either
or
lead.
The
mutant
white-vestigial
genotype
revealed
an
IC50
inhibition
at
lower
doses
2.00
lead,
in
contrast
control
(wild-type),
which
rate
>IC50
only
case
copper.
Our
results
concluded
that
(i)
dose
influences
directly
proportional
manner,
(ii)
comparative
analyses
between
displayed
all
within
range
0.50
mM.
contrast,
1.00
mM,
highlighting
(iii)
more
acute
characteristic
Thus,
this
reflect
importance
using
interaction
factors
metals,
offering
significant
insights
into
monitoring
their
defining
maximum
permissible
International Journal of Advanced Biochemistry Research,
Journal Year:
2024,
Volume and Issue:
8(4S), P. 174 - 182
Published: Jan. 1, 2024
The
most
harmful
aspect
of
water
pollution
is
the
presence
heavy
metals,
which
are
substances
that
cannot
be
removed
from
body
by
metabolic
processes
and
have
capacity
to
bioaccumulate
amplify.
These
metals
contaminated
aquatic
system
as
a
result
urbanization
industrialization,
also
having
an
impact
on
diversity
ecosystem
balance
species.
As,
Cr,
Pb,
Hg,
Cd
common
systemic
toxicant
effect
human
health.
Heavy
mainly
enter
fish
through
gills,
surface
digestive
tract
during
ingestion
metal
accumulated
food
materials.
toxicity
can
alter
individual
development
rates,
physiological
processes,
mortality,
reproduction
in
fish.
Fish
consumption
cause
toxicity,
lead
impaired
energy
levels,
damage
brain
central
nervous
system,
well
harm
blood,
lungs,
kidneys,
bones,
liver,
other
important
organs.
When
eating
metal-accumulated
materials,
fish's
surface,
main
entry
points
for
into
body.
functions,
all
affected
toxicity.
objective
this
review
evaluate
potential
causes
environments,
effects
these
pollutants
fish,
Environmental Monitoring and Assessment,
Journal Year:
2024,
Volume and Issue:
196(8)
Published: July 17, 2024
Fish
is
among
the
most
affordable
and
readily
available
protein
sources
for
communities
residing
near
water
bodies.
However,
recent
pollution
status
of
aquatic
ecosystems
has
rendered
fish
consumption
risky
human
health.
The
study
evaluated
metal
levels
in
liver,
gill,
muscle
tissues
Redbreast
tilapia
(Coptodon
rendalli)
from
Inanda
Nagle
dams
uMgeni
River
system.
Metals,
Al,
Sb,
Cd,
Cr,
Fe,
Mn,
Mo,
Pb,
Zn
were
analysed
using
ICP-OES.
size
showed
no
significant
difference
between
two
(p
>
0.05)
whereas
a
descending
trend
liver
gill
was
observed
at
both
dams.
Moreover,
there
clear
separation
<
0.001)
similar
organs
each
dam
0.001).
No
relationship
length
definite
inter-metal
relationships.
Antimony,
Pb
THQs
greater
than
1
which
suggests
health
risks
consumers.
Molybdenum
also
shown
concerning
with
some
individuals
exhibiting
values
ranging
0.5
-
0.9.
These
findings
suggest
that
consuming
C.
rendalli
could
result
adverse
effects
Cr
Pb.
Aquaculture International,
Journal Year:
2024,
Volume and Issue:
32(7), P. 9079 - 9098
Published: July 18, 2024
Abstract
The
present
study
was
designed
to
investigate
the
cytotoxic
effects
and
bioaccumulation
of
heavy
metals
iron
(Fe),
zinc
(Zn),
copper
(Cu),
cadmium
(Cd),
lead
(Pb),
manganese
(Mn),
nickel
(Ni),
chromium
(Cr)
in
different
parts
(muscle,
gills,
liver)
Tilapia
zillii
occurring
polluted
drainage
canal
fish
farm,
which
is
located
Abiece
region
front
village
number
10,
Alexandria
governorate,
Egypt.
Results
water
analysis
revealed
concentration
Cd,
Pb,
Mn,
Ni,
Cr
exceeded
limits
defined
by
American
Public
Health
Association
(APHA)
canal.
In
addition,
Ni
elevated
standard
APHA
Cu
not
detected
farm.
Different
types
chromosomal
aberrations
were
recorded
(e.g.,
stickiness,
fragmented
chromosomes,
centromeric
gaps,
chromatid
break,
deletion,
tetraploid).
Micronucleus
frequency
found
be
5.58
group
0.32
farm
group.
Other
nuclear
abnormalities
such
as
blebbed
nucleus,
segmented
enucleated
erythrocyte,
kidney-shaped
heart-shaped
polymorphic
irregular
nuclei,
binucleated
cell,
long
putative
notched
lobed
fused
erythrocytes,
necrotic
vacuolated
nucleus
recorded.
total
erythrocytes
morphological
70.33%
1.78%
Water Air & Soil Pollution,
Journal Year:
2024,
Volume and Issue:
235(11)
Published: Oct. 3, 2024
Abstract
Metal
enrichment
in
aquatic
ecosystems
has
compromised
the
potential
of
fish
to
enhance
food
security.
The
uMgeni
River
drains
urban
and
industrialized
catchment
flows
through
economically
disadvantaged
rural
communities
that
opt
for
supplement
their
protein
needs.
However,
there
are
uncertainties
on
safety
consuming
from
River.
present
study
aims
explore
metal
distribution
between
water,
sediment,
tissues
preferred
Oreochromis
mossambicus
,
evaluate
whether
concentrations
muscle
safe
human
consumption.
samples
were
collected
Inanda
Nagle
dams,
analysed
using
inductively
coupled
plasma
mass
spectrometry.
Alkaline
pH
was
observed
at
both
dams
metals
below
detectable
level
water
column.
Even
though
column
levels,
significant
found
sediment.
No
consistent
trend
across
tissues,
but
higher
levels
generally
liver,
followed
by
gill,
then
muscle.
Nickel
(Ni)
lead
(Pb)
exhibited
exceeding
permissible
limit
Similarly,
target
hazard
quotient
exceeded
threshold
1
Pb,
chromium
(Cr),
antimony
(Sb)
with
Dam
showing
indices
Sb
Pb.
carcinogenic
risk
three
also
be
than
10
–6
.
These
findings
suggest
consumption
O.
should
limited
no
more
150
g
per
week.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
287, P. 117303 - 117303
Published: Nov. 1, 2024
Fish
meat
is
recommended
for
consumption
as
a
source
of
protein,
essential
unsaturated
fatty
acids,
and
fat-soluble
vitamins,
unfortunately
it
can
also
be
dangerous
contaminants.
The
aim
the
study
was
to
assessment
level
Zn,
Cu
Pb
in
water
bottom
sediments
collected
summer
autumn
from
Koronowo
Reservoir
Wierzchucińskie
Duże
Lake
tissues
perch
(Perca
fluviatilis
L.)
rudd
(Scardinius
erythrophtalmus
health
risk
potential
consumers.
Metals
accumulated
following
order:
meat,
liver
gills:
Zn
>
Pb.
Of
four
factors
taken
into
account,
such
as:
type
tissue,
fish
species,
catching
season
place
catching,
first
one
determined
degree
metal
accumulation
greatest
extent.
high
muscle
tissue
by
content
this
(0.383
mg
kg-1
ww).
bioconcentration
factor
(BCF)
Pb,
all
analysed
much
higher
than
sediments.
highest
value
pollution
index
(MPI)
(1.42),
(12.97),
gills
(8.49)
calculated
summer-caught
fish.
research
indicated
that
100
g
could
meet
daily
requirement
up
26.3
%
16.4
%.
according
RDA
2.4
