Nutrients,
Journal Year:
2023,
Volume and Issue:
15(24), P. 5041 - 5041
Published: Dec. 8, 2023
The
consumption
of
large
amounts
dietary
fats
and
pregnancy
are
independent
factors
that
can
promote
changes
in
gut
permeability
the
microbiome
landscape.
However,
there
is
limited
evidence
regarding
impact
on
regulation
such
parameters
females
fed
a
high-fat
diet.
Here,
landscape
were
evaluated
mouse
model
diet-induced
obesity
pregnancy.
results
show
protected
against
harmful
effects
diet
as
disruptor
permeability;
thus,
was
two-fold
reduction
FITC-dextran
passage
to
bloodstream
compared
non-pregnant
mice
(p
<
0.01).
This
accompanied
by
an
increased
expression
barrier-related
transcripts,
particularly
ileum.
In
addition,
beneficial
effect
female
reduced
presence
bacteria
belonging
genus
Clostridia,
Lactobacillus
murinus
0.05).
Thus,
this
study
advances
understanding
how
act
during
short
window
time,
protecting
promoting
transcripts
encoding
proteins
involved
permeability,
ileum,
microbiome.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(4), P. 2183 - 2183
Published: Feb. 11, 2024
Metabolic
dysfunction-associated
fatty
liver
disease
(MAFLD),
formerly
known
as
non-alcoholic
(NAFLD),
is
characterized
by
hepatic
fat
accumulation
metabolic
dysfunction.
The
rising
prevalence
of
MAFLD,
especially
among
Asians,
may
be
associated
with
changes
in
gut
microbiota.
We
investigated
microbiota
characteristics
and
potential
mechanisms
leading
to
MAFLD
development
according
enterotypes.
Case-control
studies
examining
the
composition
between
non-MAFLD
participants
were
searched
public
databases
until
July
2023.
Gut
was
categorized
into
two
enterotypes
principal
component
analysis.
According
enterotypes,
LEfSe,
ALDEx2,
XGBoost,
DCiPatho
utilized
identify
differential
abundances
pathogenic
microbes
groups.
analyzed
microbial
community
networks
SprCC
module
predicted
functions.
In
Prevotella
enterotype
(ET-P),
98.6%
Asians
65.1%
Caucasians
(
Frontiers in Microbiology,
Journal Year:
2025,
Volume and Issue:
16
Published: May 15, 2025
Introduction
Metabolic
dysfunction-associated
steatotic
liver
disease
(MASLD)
is
a
growing
global
health
challenge,
characterized
by
significant
variability
in
progression
and
clinical
outcomes.
While
the
gut
microbiome
increasingly
recognized
as
key
factor
development,
its
role
associated
mechanisms
remains
unclear.
This
study
systematically
investigated
microbiota’s
MASLD
cirrhosis
progression,
focusing
on
individual
bacterial
strains,
microbial
community
dynamics,
functional
characteristics
across
different
enterotypes.
Methods
Publicly
available
next-generation
sequencing(NGS)
datasets
from
healthy
individuals
patients
with
were
analyzed.
Enterotype
classification
was
performed
using
principal
component
analysis,
advanced
bioinformatics
tools,
including
Linear
Discriminant
Analysis
Effect
Size
(LEfSe),
eXtreme
Gradient
Boosting
(XGBoost),
Deep
Cross-Fusion
Networks
for
Genome-Scale
Identification
of
Pathogens
(DCiPatho),
to
identify
differentially
abundant
microbes
potential
pathogens.
Microbial
co-occurrence
networks
predictions
via
PICRUSt2
revealed
distinct
patterns
Results
discussion
The
Prevotella-dominated(ET-P)
group
exhibited
33%
higher
rate
than
Bacteroides-dominated(ET-B)
group.
Unique
signatures
identified:
Escherichia
albertii
Veillonella
nakazawae
ET-B,
while
Prevotella
copri
linked
MASLD.
In
ET-P,
hominis
Clostridium
saudiense
significantly
cirrhosis.
Functional
analysis
reduced
biosynthesis
fatty
acids,
proteins,
short-chain
acids
(SCFAs),
coupled
increased
lipopolysaccharide(LPS)
production
altered
secondary
bile
acid
metabolism
patients.
There
differences
enterotypes
providing
critical
insights
developing
personalized
microbiome-targeted
interventions
mitigate
progression.
Gut Microbes,
Journal Year:
2023,
Volume and Issue:
15(2)
Published: Nov. 20, 2023
Supplementation
with
probiotics
has
emerged
as
a
promising
therapeutic
tool
to
manage
metabolic
diseases.
We
investigated
the
effects
of
mix
Bifidobacterium
animalis
subsp.
lactis
LA804
and
Lactobacillus
gasseri
LA806
on
high-fat
(HF)
diet
-induced
disease
in
mice.
probiotic
HF
diet-fed
mice
(HF-Pr2)
reduced
weight
fat
mass
gains,
decreased
hepatic
lipid
accumulation,
lowered
plasma
triglyceride
peak
during
an
oral
tolerance
test.
At
molecular
level,
protected
against
HF-induced
rise
mRNA
levels
genes
related
uptake,
metabolism,
storage
liver
white
adipose
tissues,
strongly
inflammation
tissue
oxidative
stress
liver.
Regarding
intestinal
homeostasis,
did
not
prevent
gut
permeability
but
slightly
modified
microbiota
composition
without
correcting
dysbiosis
induced
by
diet.
Probiotic
supplementation
also
cecal
bile
acid
(BA)
profile,
leading
increase
Farnesoid-X-Receptor
(FXR)
antagonist/agonist
ratio
between
BA
species.
In
agreement,
HF-Pr2
exhibited
strong
inhibition
FXR
signaling
pathway
ileum,
which
was
associated
metabolism
protection.
This
is
consistent
recent
reports
proposing
that
activity
could
be
potent
mechanism
overcome
disorders.
Altogether,
our
results
demonstrate
evaluated,
when
administered
preventively
limit
obesity
disorders,
likely
through
tract.
Food and Chemical Toxicology,
Journal Year:
2024,
Volume and Issue:
187, P. 114605 - 114605
Published: March 25, 2024
The
gut
microbiota
should
be
included
in
the
scientific
processes
of
risk
assessment
food
additives.
Xylitol
is
a
sweetener
that
shows
low
digestibility
and
intestinal
absorption,
implying
high
proportion
consumed
xylitol
could
reach
colonic
microbiota.
present
study
has
evaluated
dose-dependent
effects
intake
on
composition
metabolic
activity
child
gut-microbiota.
was
conducted
dynamic
simulator
(BFBL
Gut
Simulator)
inoculated
with
pooled
faecal
sample
supplemented
three
times
per
day,
for
7
days,
increasing
concentrations
(1
g/L,
3
g/L
5
g/L).
Sequencing
16S
rRNA
gene
amplicons
group-specific
quantitative
PCR
indicated
dose-response
effect
abundance
Lachnospiraceae,
particularly
genera
Blautia,
Anaerostipes
Roseburia.
microbial
changes
observed
corresponded
dose-dependant
butyrate
concentration
that,
parallel,
favoured
an
increase
epithelial
integrity
Caco-2
cells.
represents
detailed
observation
bacterial
taxa
are
main
contributors
to
metabolism
by
results
relevant
re-evaluation
as
sweetener.
Pharmaceuticals,
Journal Year:
2024,
Volume and Issue:
17(8), P. 1015 - 1015
Published: Aug. 1, 2024
Background:
Type
2
diabetes
mellitus
(T2DM)
is
a
metabolic
syndrome
characterized
by
chronic
inflammation,
insulin
resistance,
and
islet
cell
damage.
The
prevention
of
T2DM
its
associated
complications
an
urgent
public
health
issue
that
affects
hundreds
millions
people
globally.
Numerous
studies
suggest
disturbances
in
gut
metabolites
are
important
driving
forces
for
the
pathogenesis
diabetes.
However,
functions
mechanisms
action
most
commensal
bacteria
remain
largely
unknown.
Methods:
quantification
bile
acids
(BAs)
fecal
samples
was
performed
using
ultra-performance
liquid
chromatography–tandem
mass
spectrometer
(UPLC-MS/MS).
anti-diabetic
effects
Bacteroides
uniformis
(B.
uniformis)
cholic
acid
(CA)
chenodeoxycholic
(CDCA)
were
assessed
mice
induced
streptozocin
(STZ)
plus
high-fat
diet
(HFD).
Results:
We
found
abundance
B.
feces
contents
CA
CDCA
significantly
downregulated
mice.
diminished
diabetic
individuals
this
bacterium
sufficient
to
promote
production
BAs.
Colonization
intragastric
gavage
effectively
improved
disorder
glucose
lipid
metabolism
inhibiting
gluconeogenesis
lipolysis
liver.
hepatic
acting
on
Takeda
G
protein-coupled
receptor
5
(TGR5)/adenosine
monophosphate-activated
protein
kinase
(AMPK)
signaling
pathway
since
knockdown
TGR5
minimized
benefit
CDCA.
Furthermore,
we
screened
natural
product—vaccarin
(VAC)—that
exhibited
promoting
growth
vitro
vivo.
Gut
microbiota
pre-depletion
abolished
favorable
VAC
Conclusions:
These
data
supplementation
may
be
promising
avenue
ameliorate
linking
BMC Medicine,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Oct. 24, 2024
Abstract
Background
Biomedical
and
lifestyle
factors
in
Western
populations
have
significantly
shifted
recent
decades,
influencing
public
health
contributing
to
the
increasing
prevalence
of
non-communicable
diseases
(NCDs)
that
share
inflammation
as
common
pathology.
Methods
We
investigated
relationship
between
these
11
NCDs
cross-sectional
FoCus
cohort
(
n
=
1220),
using
logistic
regression
models.
Associations
with
age-at-disease-onset
were
specifically
analyzed
for
type
2
diabetes
(T2D,
low-grade
chronic
inflammation)
inflammatory
bowel
disease
(IBD,
high-grade
disease-specific
cohorts
(FoCus-T2D,
514;
IBD-KC,
1110).
Important
risk
identified
Cox-PH-regression
models
time-to-event
analysis.
further
explored
interaction
gut
microbiome
composition
linear
Results
Lifestyle
clearly
linked
phenotypes,
particularly
T2D
IBD.
Still,
some
affected
only
age-at-onset,
but
not
prevalence.
High-quality
nutrition
delayed
onset
both
IBD
(IBD:
HR
0.81
[0.66;
0.98];
T2D:
0.45
[0.28;
0.72]).
Smoking
accelerated
(HR
1.82
[1.25;
2.65])
ulcerative
colitis
(UC:
0.47
0.79]).
Higher
microbiota
diversity
(Shannon:
0.58
[0.49;
0.71])
had
no
effect
on
T2D.
The
abundance
specific
microbial
genera
was
strongly
associated
various
biomedical
In
unaffected
controls,
effects
smaller
or
reversed,
potentially
indicating
a
greater
susceptibility
negative
influences
Conclusions
dual
insights
into
emphasize
role
certain
factors,
e.g.,
quality,
prevention
management.
Understanding
relationships
provides
foundation
developing
targeted
strategies
mitigate
impact
metabolic
through
modifications