Nutrients,
Journal Year:
2025,
Volume and Issue:
17(9), P. 1585 - 1585
Published: May 5, 2025
Background/Objectives:
Metabolic-dysfunction-associated
steatotic
liver
disease
(MASLD)
is
the
most
prevalent
chronic
disorder
globally.
Probiotic
supplementation
has
shown
promise
in
its
prevention
and
treatment.
Although
Weissella
viridescens,
a
lactic
acid
bacterium
with
immunomodulatory
effects,
antibacterial
anti-inflammatory
activities,
there
lack
of
direct
evidence
for
role
MASLD.
This
study
aimed
to
investigate
protective
effects
W.
viridescens
strain
Wv2365,
isolated
from
healthy
human
feces,
high-fat
diet
(HFD)-induced
rat
model
Methods:
Rats
were
randomly
assigned
normal
chow
(NC),
(HFD),
HFD
supplemented
Wv2365
(Wv2365)
groups.
All
groups
fed
their
respective
diets
8
weeks.
During
this
period,
NC
received
daily
oral
gavage
PBS,
while
group
Wv2365.
Results:
significantly
reduced
HFD-induced
body
weight
gain,
improved
NAFLD
activity
scores,
alleviated
hepatic
injury,
restored
lipid
metabolism.
A
transcriptomic
analysis
revealed
downregulation
inflammation-related
pathways,
along
decreased
serum
levels
TNF-α,
IL-1β,
IL-6,
MCP-1,
LPS.
also
activated
Nrf2/HO-1
antioxidant
pathway,
enhancing
enzyme
activities
reducing
malondialdehyde
(MDA)
levels.
gut
microbiota
showed
enrichment
beneficial
genera,
including
Butyricicoccus,
Akkermansia,
Blautia.
Serum
metabolomic
profiling
increased
metabolites
indole-3-propionic
(IPA),
indoleacrylic
(IA),
glycolithocholic
(GLCA).
Conclusions:
attenuates
oxidative
stress,
inflammation
high-fat-diet-induced
MASLD,
supporting
potential
as
probiotic
candidate
modulation
Hepatology Communications,
Journal Year:
2024,
Volume and Issue:
8(7)
Published: July 1, 2024
With
an
increasing
prevalence,
metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD)
has
become
a
major
global
health
problem.
MASLD
is
well-known
as
multifactorial
disease.
Mitochondrial
dysfunction
and
alterations
in
the
gut
bacteria
are
2
vital
events
MASLD.
Recent
studies
have
highlighted
cross-talk
between
microbiota
mitochondria,
mitochondria
recognized
pivotal
targets
of
to
modulate
host's
physiological
state.
plays
role
associated
with
multiple
pathological
changes,
including
hepatocyte
steatosis,
oxidative
stress,
inflammation,
fibrosis.
Metabolites
crucial
mediators
that
influence
extraintestinal
organs.
Additionally,
regulation
composition
may
serve
promising
therapeutic
strategy
for
This
study
reviewed
potential
roles
several
common
metabolites
MASLD,
emphasizing
their
impact
on
mitochondrial
function.
Finally,
we
discuss
current
treatments
probiotics,
prebiotics,
antibiotics,
fecal
transplantation.
These
methods
concentrate
restoring
promote
host
health.
Clinical and Molecular Hepatology,
Journal Year:
2024,
Volume and Issue:
30(4), P. 845 - 862
Published: July 25, 2024
Background/Aims:
Shifts
in
the
gut
microbiota
and
metabolites
are
interrelated
with
liver
cirrhosis
progression
complications.
However,
causal
relationships
have
not
been
evaluated
comprehensively.
Here,
we
identified
complication-dependent
metabolic
signatures
patients
cirrhosis.Methods:
Microbiome
taxonomic
profiling
was
performed
on
194
stool
samples
(52
controls
142
patients)
via
V3-V4
16S
rRNA
sequencing.
Next,
51
(17
34
were
selected
for
fecal
metabolite
gas
chromatography
mass
spectrometry
liquid
coupled
to
time-of-flight
spectrometry.
Correlation
analyses
targeting
gut-microbiota,
metabolites,
clinical
parameters,
presence
of
complications
(varices,
ascites,
peritonitis,
encephalopathy,
hepatorenal
syndrome,
hepatocellular
carcinoma,
deceased).Results:
<i>Veillonella</i>
bacteria,
<i>Ruminococcus
gnavus</i>,
<i>Streptococcus
pneumoniae</i>
cirrhosis-related
microbiotas
compared
control
group.
<i>Bacteroides
ovatus,
Clostridium
symbiosum,
Emergencia
timonensis,
Fusobacterium
varium</i>,
<i>Hungatella</i>_uc
associated
The
areas
under
receiver
operating
characteristic
curve
(AUROCs)
diagnosis
cirrhosis,
deceased
0.863,
0.733,
0.71,
0.69,
respectively.
AUROCs
mixed
microbial
species
complication
0.808
0.847,
According
profile,
5
increased
biomarkers
(AUROC
>0.880)
Clinical
markers
significantly
correlated
metabolites.Conclusions:
Cirrhosis-dependent
present
unique
that
can
be
used
as
noninvasive
its
Exploration of Medicine,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 19, 2025
The
gut
microbiota,
a
complex
ecosystem
of
microorganisms,
plays
an
essential
role
in
maintaining
immune
and
metabolic
homeostasis.
Disruption
this
microbial
balance,
known
as
dysbiosis,
has
been
increasingly
implicated
the
pathogenesis
chronic
inflammatory
conditions,
including
cardiovascular,
gastrointestinal,
autoimmune
diseases,
well
disorders
such
diabetes
obesity.
A
crucial
mechanism
through
which
microbiota
exerts
its
effects
on
host
physiology
is
via
production
bioactive
metabolites.
These
metabolites,
short-chain
fatty
acids,
bile
tryptophan
derivatives,
are
key
modulating
responses
regulating
functions.
Dysbiosis
disrupts
function
these
thereby
contributing
to
dysregulation,
inflammation,
disease
progression.
This
review
examines
microbiota-derived
metabolites
with
focus
their
immunomodulatory
effects.
deeper
understanding
mechanisms
may
open
way
for
novel
therapeutic
strategies
aimed
at
restoring
homeostasis
mitigating
global
burden
diseases.
The Egyptian Journal of Internal Medicine,
Journal Year:
2024,
Volume and Issue:
36(1)
Published: July 25, 2024
Abstract
Background
The
gut
microbiota
(GM)
and
their
metabolites
have
garnered
significant
attention
for
roles
in
metabolic
syndrome
(MetS)
associated
conditions.
MetS,
characterized
by
a
cluster
of
abnormalities,
significantly
increases
the
risk
cardiovascular
disease
(CVD),
obesity,
insulin
resistance,
type
2
diabetes
mellitus
(T2DM).
dysbiosis
microbiota,
marked
changes
microbial
composition
function,
has
been
implicated
pathogenesis
MetS.
Main
body
This
review
synthesizes
recent
findings
elucidating
influence
GM
microbiota-derived
on
MetS
progression.
Notably,
alterations
dysregulation
such
as
short-chain
fatty
acids
(SCFAs),
trimethylamine
N-oxide
(TMAO),
polyamines,
amino
acids,
indole
derivatives
development.
These
play
crucial
processes,
imbalance
can
trigger
or
exacerbate
disturbances
with
Various
therapeutic
approaches,
including
dietary
interventions,
probiotics,
prebiotics,
precision
medicine
targeting
specific
metabolites,
offer
promising
strategies
managing
interventions
aim
to
restore
healthy
balance
regulate
production
beneficial
metabolites.
Conclusion
complexity
interactions
systemic
effects
necessitate
more
standardized
research
methodologies.
Future
investigations
focusing
personalized
non-invasive
diagnostic
tools
are
warranted
address
complexities
management.
Advancing
our
understanding
GM-metabolite-MetS
axis
will
be
developing
effective,
targeted
treatments
improving
patient
outcomes
Nutrients,
Journal Year:
2024,
Volume and Issue:
17(1), P. 143 - 143
Published: Dec. 31, 2024
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD)
is
a
major
contributor
to
liver-related
morbidity,
cardiovascular
disease,
and
metabolic
complications.
Lifestyle
interventions,
including
diet
exercise,
are
first
line
in
treating
MASLD.
Dietary
approaches
such
as
the
low-glycemic-index
Mediterranean
diet,
ketogenic
intermittent
fasting,
high
fiber
diets
have
demonstrated
potential
addressing
dysfunction
underlying
this
condition.
The
development
progression
of
MASLD
closely
associated
with
taxonomic
shifts
gut
microbial
communities,
relationship
well-documented
literature.
Given
importance
primary
treatment
for
MASLD,
it
important
understand
how
microbiota
their
byproducts
mediate
favorable
outcomes
induced
by
healthy
dietary
patterns.
Conversely,
changes
conferred
unhealthy
patterns
Western
may
induce
dysbiosis
influence
through
promoting
hepatic
inflammation,
up-regulating
lipogenesis,
dysregulating
bile
acid
metabolism,
increasing
insulin
resistance,
causing
oxidative
damage
hepatocytes.
Although
emerging
evidence
has
identified
links
between
microbiota,
significant
gaps
remain
understanding
specific
roles,
metabolite
pathways,
host
interactions,
causal
relationships.
Therefore,
review
aims
provide
mechanistic
insights
into
role
microbiota-mediated
processes
analysis
both
contribution
pathophysiology.
By
better
elucidating
interplay
nutrients,
processes,
onset
work
identify
new
opportunities
targeted
interventions
treat
efficiently.