Frontiers in Microbiology,
Journal Year:
2023,
Volume and Issue:
14
Published: Sept. 6, 2023
Toxic
fungal
species
produce
hazardous
substances
known
as
mycotoxins.
Consumption
of
mycotoxin
contaminated
feed
and
food
causes
a
variety
dangerous
diseases
can
even
lead
to
death
animals
humans,
raising
global
concerns
for
adverse
health
effects.
To
date,
several
strategies
have
been
developed
counteract
with
contamination.
Red
yeast
novel
biological
dietary
agent
is
promising
strategy
eliminate
mycotoxicity
in
living
organisms.
Poultry
are
most
susceptible
contamination,
they
fed
mixture
grains
at
higher
risk
co-exposure
multiple
toxic
substances.
Therefore,
this
study
investigated
the
genetic
mechanism
underlying
long-term
feeding
red
supplementation
interaction
mycotoxins
using
transcriptome
profiling
(RNA_Seq)
liver
laying
hens.
The
results
showed
high
number
significantly
differentially
expressed
genes
chicken
diet
mycotoxins,
whereas
Significantly
was
considerably
reduced
when
supplemented
yeast.
expression
involved
phase
I
(CYP1A1,
CYP1A2)
II
(GSTA2,
GSTA3,
MGST1)
detoxification
process
downregulated
diet,
indicating
suppression
mechanisms.
However,
antioxidant
defense
(GSTO1),
apoptosis
(DUSP8),
tumor
suppressor
(KIAA1324,
FBXO47,
NME6)
were
upregulated
mycotoxins-exposed
animals,
suggesting
activation
response
mycotoxicity.
Similarly,
none
hens
diet.
neither
nor
exposed
feed,
decreases
adsorption
biologically
active
We
conclude
that
act
binder
decrease
be
used
an
effective
poultry
industry
effects
increase
safety
human
consumers.
Poultry Science,
Journal Year:
2024,
Volume and Issue:
103(3), P. 103471 - 103471
Published: Jan. 17, 2024
Contamination
of
feed
with
mycotoxins
has
become
a
severe
issue
worldwide.
Among
the
most
prevalent
trichothecene
mycotoxins,
T-2
toxin
is
particular
importance
for
livestock
production,
including
poultry
posing
significant
threat
to
animal
health
and
productivity.
This
review
article
aims
comprehensively
analyze
pathological
consequences,
metabolism,
toxic
effects
in
poultry.
Trichothecene
primarily
produced
by
Fusarium
species,
are
notorious
their
potent
toxicity.
exhibits
broad
spectrum
negative
on
leading
substantial
economic
losses
as
well
concerns
about
welfare
food
safety
modern
agriculture.
exposure
easily
results
consequences
gastrointestinal
tract,
parenchymal
tissues
like
liver
(as
key
organ
its
metabolism),
kidneys,
or
reproductive
organs.
In
addition,
it
also
intensely
damages
immune
system-related
such
spleen,
bursa
Fabricius,
thymus
causing
immunosuppression
increasing
susceptibility
animals
infectious
diseases,
making
immunization
programs
less
effective.
The
cellular
processes
transcriptional
translational
levels
induces
apoptosis
through
activation
numerous
signaling
cascades.
Furthermore,
according
recent
studies,
besides
direct
abovementioned
processes,
production
reactive
molecules
free
radicals
resulting
oxidative
distress
concomitantly
occurring
damage.
conclusion,
this
provides
complex
detailed
overview
mechanism
action
immunomodulatory
stress-related
toxin.
Understanding
these
crucial
developing
strategies
mitigate
impact
avian
future.
Toxins,
Journal Year:
2024,
Volume and Issue:
16(4), P. 171 - 171
Published: March 30, 2024
A
random-effects
meta-analysis
was
conducted
to
investigate
the
effect
of
mycotoxins
(MT)
without
or
with
inclusion
yeast
cell
wall
extract
(YCWE,
Mycosorb®,
Alltech,
Inc.,
Nicholasville,
KY,
USA)
on
laying
hen
performance.
total
25
trials
were
collected
from
a
literature
search,
and
data
extracted
8
these
that
met
criteria,
for
12
treatments
1774
birds.
Laying
hens
fed
MT
had
lower
(p
<
0.05)
body
weight
(BW)
by
−50
g,
egg
production
−6.3
percentage
points,
−1.95
g
than
control
(CTRL).
Inclusion
YCWE
during
mycotoxin
challenges
(YCWE
+
MT)
resulted
in
numerically
greater
=
0.441)
BW
12.5
while
significantly
0.0001)
higher
4.2
points
1.37
respectively.
Furthermore,
economic
assessment
calculations
indicated
may
not
only
support
performance
but
also
positive
return
investment.
In
conclusion,
can
play
role
negatively
impacting
profitability.
feed
provided
benefits
As
such,
could
an
important
minimizing
effects
turn
aid
farm
efficiency
Toxins,
Journal Year:
2024,
Volume and Issue:
16(4), P. 179 - 179
Published: April 7, 2024
Fumonisin
B1,
T-2
toxin,
and
deoxynivalenol
are
frequently
detected
in
feed
materials.
The
mycotoxins
induce
free
radical
formation
and,
thereby,
lipid
peroxidation.
effects
of
mycotoxin
exposure
at
the
EU
recommended
limit
(T-2/HT-2
toxin:
0.25
mg/kg;
DON
=
3AcDON/15-AScDON:
5
fumonisin
B1:
20
mg/kg)
double
dose
0.5
mg/kg,
DON/3-AcDON/15-AcDON:
10
mg,
FB1:
40
mg/kg
feed)
were
investigated
during
short-term
(3
days)
per
os
liver
laying
hens.
On
day
1
higher
while
on
3
lower
MDA
concentrations
found
low-dose
group
compared
to
control.
Fatty
acid
composition
also
changed:
proportion
monounsaturated
fatty
acids
increased
(p
<
0.05)
polyunsaturated
decreased
by
3.
These
alterations
resulted
a
decrease
index
unsaturation
average
chain
length.
Histopathological
suggested
that
incidence
severity
lesions
mycotoxin-treated
hens,
symptoms
correlated
with
profile
total
phospholipids.
Overall,
findings
revealed
exposure,
even
EU-recommended
limits,
induced
peroxidation
liver,
which
led
changes
composition,
matched
tissue
damage.
Toxins,
Journal Year:
2024,
Volume and Issue:
16(3), P. 154 - 154
Published: March 16, 2024
In
the
context
of
nephrotoxic
risks
associated
with
environmental
contaminants,
this
study
focused
on
impact
mycotoxin
exposure
renal
health
laying
hens,
particular
attention
to
oxidative
stress
pathways.
Sixty
hens
were
assigned
three
groups—a
control
group
(CON),
a
low-dose
(LOW),
and
high-dose
(HIGH)—and
monitored
for
72
h.
Mycotoxin
contamination
involved
T-2/HT-2
toxin,
DON/3-AcDON/15-AcDON,
FB1
at
their
EU-recommended
levels
(low
mix)
double
doses
(high
mix).
Clinical
assessments
revealed
no
signs
toxicity
or
notable
weight
changes.
Analysis
glutathione
redox
system
parameters
demonstrated
that
reduced
content
was
lower
than
in
controls
48
h
higher
Glutathione
peroxidase
activity
increased
response
exposure.
addition,
gene
expression
patterns
key
redox-sensitive
pathways,
including
Keap1-Nrf2-ARE
AhR
pathway,
examined.
Notably,
profiles
dynamic
responses
over
time,
underscoring
intricate
interplay
redox-related
mechanisms
kidney.
This
sheds
light
early
effects
mixtures
hens’
kidneys
potential
stress.
Toxicology Letters,
Journal Year:
2023,
Volume and Issue:
391, P. 55 - 61
Published: Dec. 12, 2023
This
study
investigates
gene
expression
changes
in
laying
hens
exposed
to
trichothecene
mycotoxins,
known
induce
oxidative
stress
and
affect
xenobiotic
transformation
antioxidants.
A
3-day
feeding
trial
tested
low
high
doses
of
T-2/HT-2
toxin,
DON/3-AcDON/15-AcDON,
FB1
hen
feed.
Results
showed
increased
AHR,
AHRR,
HSP90,
CYP1A2
genes
on
days
2
3,
suggesting
a
response
mycotoxin
exposure.
High
down-regulated
CYP1A2,
AHRR
day
1.
KEAP1
decreased
1
but
dose-dependently
3.
NRF2
was
up-regulated
by
1,
then
Antioxidant-related
(GPX3,
GPX4,
GSS,
GSR)
dose-dependent
responses.
Low
GPX3
GPX4
throughout,
while
3
GSS
indicate
that
toxic
metabolites
formed
phase
I
biotransformation
rapidly
ROS
formation
at
through
the
AHR/Hsp70/CYP1A2
pathway
level,
levels,
ROS-induced
manifests
later.
Study
simultaneous
activation
redox-sensitive
pathways:
aryl
hydrocarbon
receptor
(Ahr)
nuclear
factor
erythroid-derived
2-like
(Nrf2)
multi-mycotoxin
Biomolecules,
Journal Year:
2024,
Volume and Issue:
14(9), P. 1156 - 1156
Published: Sept. 14, 2024
Known
mycotoxins
have
been
investigated
for
years.
They
included
in
legislation
and
are
meticulously
controlled
most
cereals,
cereal-related
products,
raw
materials
of
animal
origin.
However,
there
still
that
need
to
be
addressed
by
regulations
subsequently
not
monitored
but
can
occur
relatively
high
concentrations.
This
research
aimed
assess
the
occurrence
common
Fusarium
hulled
barley.
Samples
barley
were
treated
field
with
two
protective
treatments,
alongside
a
control
sample
sans
treatment.
Furthermore,
we
Alternaria
chosen
samples.
The
results
shown
mostly
determined
climatic
conditions
(no
2020,
except
siccanol).
Most
interesting
was
appearance
infectopyron,
an
toxin
detected
all
samples
2019
majority
2020.
highest
concentration
536
µg/kg,
while
this
mycotoxin
reached
350
µg/kg.
These
findings
depict
further
on
food
safety
regarding
mycotoxins,
additional
changes
legislation.
investigation
shows
fungicide
application
rainy
years
cannot
efficiently
suppress
production.
Additionally,
even
dry
years,
some
involved
legislation,
such
as
infectopyron
siccanol,
do
respond
fungicides.
Toxins,
Journal Year:
2024,
Volume and Issue:
16(10), P. 424 - 424
Published: Oct. 1, 2024
Among
the
widespread
trichothecene
mycotoxins,
T-2
toxin
is
considered
most
toxic
congener.
In
present
study,
we
utilized
high-resolution
magic-angle
spinning
nuclear
magnetic
resonance
(HRMAS
NMR),
coupled
to
zebrafish
(Danio
rerio)
embryo
model,
as
a
toxicometabolomics
approach
elucidate
cellular,
molecular
and
biochemical
pathways
associated
with
toxicity.
Aligned
previous
studies
in
exposure
was
lethal
high
parts-per-billion
(ppb)
range,
median
concentration
(LC50)
of
105
ppb.
Exposure
toxins
was,
furthermore,
system-specific
alterations
production
reactive
oxygen
species
(ROS),
including
decreased
ROS
liver
increased
brain
region,
exposed
embryos.
Moreover,
metabolic
profiling
based
on
HRMAS
NMR
revealed
modulation
numerous,
interrelated
metabolites,
specifically
those
(1)
phase
I
II
detoxification,
antioxidant
pathways;
(2)
disruption
phosphocholine
lipids
cell
membranes;
(3)
mitochondrial
energy
metabolism,
apparent
tricarboxylic
acid
(TCA)
cycle,
electron
transport
chain
oxidative
phosphorylation,
well
“upstream”
effects
carbohydrate,
i.e.,
glucose
metabolism;
(4)
several
compensatory
catabolic
pathways.
Taken
together,
these
observations
enabled
development
an
integrated,
system-level
model
toxicity
relation
human
animal
health.
Revista Mexicana de Ciencias Pecuarias,
Journal Year:
2024,
Volume and Issue:
15(2), P. 425 - 445
Published: April 23, 2024
Las
micotoxinas
son
metabolitos
secundarios
producidos
por
hongos
de
diversos
géneros.
Dentro
las
más
importantes
se
encuentran
aquellas
producidas
del
género
Fusarium
sp.,
el
cual
puede
dividirse
en
varios
grupos
para
su
estudio
que
grupo
los
tricotecenos
(y
toxina
T-2),
fumonisinas,
principalmente
fumonisina
B1
(B1,
B2,
B3,
B4,
A1
Y
A2)
y
la
zearalenona
efectos
estrogénicos.
Aunque
fusariotoxinas
causan
similares
debido
a
comparten
mismo
mecanismo
acción;
mediante
alteración
síntesis
proteínas
aves
intoxicadas,
es
importante
mencionar
incidencia,
así
como
características
entre
cada
una
ellas.
Es
esto
apartado
describen
mencionado.