Journal of Agricultural and Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
The
occurrence
of
pediatric
diarrhea
is
frequently
associated
with
inflammatory
responses,
compromised
barrier
function,
and
dysbiosis
in
the
gut.
These
conditions
are
commonly
triggered
by
stressors,
similar
to
postweaning
observed
piglets.
Garlic-derived
exosome-like
nanoparticles
(GELNs)
hold
potential
for
ameliorating
stress-induced
diarrhea,
yet
supporting
evidence
remains
scarce.
Following
successful
isolation
GELNs,
this
study
employed
weaned
piglets
as
a
model
evaluate
regulatory
effects
GELNs
on
intestinal
integrity,
mucosal
inflammation,
gut
microbiota
its
metabolites.
Weaned
Bama
miniature
were
orally
administered
phosphate
buffer
saline
(PBS)
or
1
week
later,
samples
collected
following
slaughter.
Histological
molecular
biological
techniques
performed
examine
structure,
tight
junction
protein
expression,
mucin
secretion,
T
lymphocyte
infiltration,
levels
pro-inflammatory
cytokines.
composition
was
analyzed
using
16S
rRNA
sequencing,
while
derived
metabolites
profiled
via
untargeted
metabolomics.
Subsequently,
correlation
analyses
associations
between
metabolites,
well
key
indicators
function
cytokine
response
GELNs.
isolated
exhibit
typical
exosome
characteristics
size
morphology,
alongside
rich
content
proteins
RNAs.
incidence
reduced
supplementation
at
dosage
50
mg/kg
body
weight,
compared
control
group.
In
addition,
receiving
displayed
an
increase
within
tissues
jejunum,
ileum,
colon,
decrease
CD8+
counts
suppression
cytokines
(IL-8
TNF-α)
layers
both
jejunum
ileum.
Furthermore,
sequencing
unveiled
that
reshaped
colonic
augmenting
beneficial
bacteria,
notably
Lactobacillus
reuteri,
correlating
strongly
diminished
TNF-α
heightened
expression.
Metabolite
analysis
demonstrated
significant
indole-3-propionic
acid,
from
microbiota,
supplemented
This
positively
correlated
abundance
reuteri
negatively
linked
IL-8
summary,
our
demonstrates
mitigate
stress-related
inflammation
enhance
production
piglets,
which
potentially
achieved
through
optimization
composition,
specifically
increasing
induction
anti-inflammatory
microbial
metabolite
acid.
findings
presented
here
provide
essential
groundwork
future
development
therapeutic
strategy
aimed
enhancing
homeostasis
disruption
caused
stress
children.
Cells,
Journal Year:
2024,
Volume and Issue:
13(17), P. 1437 - 1437
Published: Aug. 27, 2024
The
gut
microbiota
plays
an
essential
role
in
maintaining
immune
homeostasis
and
influencing
the
landscape
within
tumor
microenvironment.
This
review
aims
to
elucidate
interactions
between
dynamics,
with
a
focus
on
colorectal
cancer
(CRC).
spans
foundational
concepts
of
immuno-microbial
interplay,
factors
microbiome
composition,
evidence
linking
immunotherapy
outcomes.
Gut
modulates
anti-cancer
immunity
through
several
mechanisms,
including
enhancement
surveillance
modulation
inflammatory
responses.
Specific
microbial
species
their
metabolic
byproducts
can
significantly
influence
efficacy
immunotherapies.
Furthermore,
diversity
correlates
clinical
outcomes
CRC,
suggesting
potential
as
valuable
biomarker
for
predicting
response
immunotherapy.
Conclusions:
Understanding
relationship
responses
offers
novel
therapeutic
strategies
development.
not
only
influences
natural
history
treatment
CRC
but
also
serves
critical
modulator
activity.
Further
exploration
into
microbiome's
could
enhance
effectiveness
existing
treatments
guide
development
new
modalities.
Nature Microbiology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Gut
bacteria
from
the
Enterobacteriaceae
family
are
a
major
cause
of
opportunistic
infections
worldwide.
Given
their
prevalence
among
healthy
human
gut
microbiomes,
interspecies
interactions
may
play
role
in
modulating
infection
resistance.
Here
we
uncover
global
ecological
patterns
linked
to
colonization
and
abundance
by
leveraging
large-scale
dataset
12,238
public
metagenomes
spanning
45
countries.
Machine
learning
analyses
identified
robust
microbiome
signature
associated
with
status,
consistent
across
health
states
geographic
locations.
We
classified
172
microbial
species
as
co-colonizers
135
co-excluders,
revealing
genus-wide
signal
resistance
within
Faecalibacterium
strain-specific
co-colonization
underexplored
Faecalimonas
phoceensis
.
Co-exclusion
is
functions
involved
short-chain
fatty
acid
production,
iron
metabolism
quorum
sensing,
while
greater
functional
diversity
metabolic
resemblance
Enterobacteriaceae.
Our
work
underscores
critical
intestinal
environment
success
gut-associated
pathogens
implications
for
developing
non-antibiotic
therapeutic
strategies.
Mucosal Immunology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Gut
inflammatory
diseases
cause
microbial
dysbiosis.
Human
immunodeficiency
virus-1
(HIV)
infection
disrupts
intestinal
integrity,
subverts
repair/renewal
pathways,
impairs
mucosal
immunity
and
propels
However,
metabolic
mechanisms
driving
repair
in
virally
inflamed
gut
are
not
well
understood.
We
investigated
the
capability
of
microbes
to
restore
epithelial
barriers
by
using
a
multipronged
approach:
an
vivo
simian
virus
(SIV)-infected
nonhuman
primate
model
HIV/AIDS,
ex
HIV-exposed
human
colorectal
explants
primary
cells.
SIV
reprogrammed
tryptophan
(TRP)
metabolism,
increasing
kynurenine
catabolite
levels
that
associated
with
barrier
disruption
immune
suppression.
Administration
Lactiplantibacillus
plantarum
or
Bifidobacterium
longum
subsp.
infantis
into
SIV-inflamed
lumen
resulted
rapid
reprogramming
TRP
metabolism
towards
indole-3-lactic
acid
(ILA)
production.
This
shift
accelerated
enhanced
anti-viral
defenses
through
induction
IL-22
signaling
T
cells
aryl
hydrocarbon
receptor
activation.
Additionally,
ILA
treatment
tissue
inhibited
HIV
replication
reducing
cytokine
production
cell
Our
findings
underscore
therapeutic
potential
TRP-to-ILA
mitigating
viral
pathogenic
effects
bolstering
for
eradication.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: Oct. 8, 2024
As
the
global
male
infertility
rate
continues
to
rise,
there
is
an
urgent
imperative
investigate
underlying
causes
of
sustained
deterioration
in
sperm
quality.
The
gut
microbiota
emerges
as
a
pivotal
factor
host
health
regulation,
with
mounting
evidence
highlighting
its
dual
influence
on
semen.
This
review
underscores
interplay
between
Testis-Gut
axis
and
consequential
effects
sperm.
Potential
mechanisms
driving
impact
encompass
immune
modulation,
inflammatory
responses
mediated
by
endotoxins,
oxidative
stress,
antioxidant
defenses,
microbiota-derived
metabolites,
epigenetic
modifications,
regulatory
sex
hormone
signaling.
Interventions
such
probiotics,
prebiotics,
synbiotics,
fecal
transplantation,
Traditional
natural
herbal
extracts
are
hypothesized
rectify
dysbiosis,
offering
avenues
modulate
enhance
Spermatogenesis
motility.
Future
investigations
should
delve
into
elucidating
foundational
principles
governing
interaction
within
Axis.
Understanding
modulating
Axis
may
yield
novel
therapeutic
strategies
fertility
combat
decline
Gut Microbes,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Oct. 17, 2024
Epidemiological
investigation
confirmed
that
the
intake
of
dietary
fiber
(DF)
is
closely
related
to
human
health,
and
most
important
factor
affecting
physiological
function
DF,
besides
its
physicochemical
properties,
gut
microbiota.
This
paper
mainly
summarizes
interaction
between
DF
microbiota,
including
influence
on
colonization
microbiota
based
different
role
in
destroying
complex
molecular
structure
by
encoding
carbohydrate-active
enzymes,
thus
producing
small
products
affect
metabolism
host.
Taking
cardiovascular
disease
(Atherosclerosis
hypertension),
liver
disease,
immune
diseases
as
examples,
it
some
such
fructo-oligosaccharide,
galactooligosaccharide,
xylo-oligosaccharide,
inulin,
have
prebiotic-like
effects.
These
effects
are
dependent
metabolites
produced
Therefore,
this
further
explores
how
affects
microbiota's
production
substances
short-chain
fatty
acids,
bile
tryptophan
metabolites,
provides
a
preliminary
explanation
mechanisms
associated
with
their
impact
host
health.
Finally,
structural
properties
large
heterogeneity
composition
population
may
be
future
trend
utilize
correlate
health
for
precision
nutrition
combining
information
from
databases.
Foods,
Journal Year:
2024,
Volume and Issue:
13(22), P. 3529 - 3529
Published: Nov. 5, 2024
Obesity
is
a
pandemic
currently
affecting
the
world's
population
that
decreases
quality
of
life
and
promotes
development
chronic
non-communicable
diseases.
Cell Insight,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100227 - 100227
Published: Jan. 1, 2025
The
human
gut
microbiota
plays
a
critical
role
in
maintaining
host
homeostasis
through
metabolic
activities.
Among
these,
amino
acid
(AA)
metabolism
by
the
large
intestine
is
highly
heterogeneous
and
relevant
to
health.
Despite
increasing
interest,
microbial
AA
remains
relatively
unexplored.
This
review
highlights
recent
advances
colonic
metabolism,
including
auxotrophies,
synthesis,
dissimilatory
metabolites,
their
implications
health,
focusing
on
major
gastrointestinal
diseases
colorectal
cancer,
inflammatory
bowel
disease,
irritable
syndrome.