Foods,
Год журнала:
2022,
Номер
11(20), С. 3177 - 3177
Опубликована: Окт. 12, 2022
Lycium
barbarum
polysaccharides
(LBPs)
have
attracted
increasing
attention
due
to
their
multiple
pharmacological
activities
and
physiological
functions.
Recently,
both
in
vitro
vivo
studies
demonstrated
that
the
biological
effects
of
dietary
LBPs
are
related
regulation
gut
microbiota.
Supplementation
with
could
modulate
composition
microbial
communities,
simultaneously
influence
levels
active
metabolites,
thus
exerting
beneficial
on
host
health.
Interestingly,
diverse
chemical
structures
may
enrich
or
reduce
certain
specific
intestinal
microbes.
The
present
review
summarizes
extraction,
purification,
structural
types
microbiome
derived
metabolites.
Furthermore,
health
promoting
bidirectional
immunity
(e.g.,
immune
enhancement
inflammation
suppression)
metabolic
syndrome
obesity,
type
2
diabetes,
nonalcoholic
fatty
liver
disease)
by
targeting
microbiota
also
discussed
based
types.
contents
presented
this
might
help
better
understand
benefits
provide
a
scientific
basis
further
clarify
structure–function
relationship
LBPs.
Frontiers in Immunology,
Год журнала:
2022,
Номер
13
Опубликована: Май 19, 2022
The
effects
of
Laminaria
japonica
fucoidan
(LF)
on
immune
regulation
and
intestinal
microflora
in
cyclophosphamide
(CTX)-treated
mice
were
investigated
this
work.
Results
indicated
that
LF
significantly
enhanced
the
spleen
thymus
indices,
promoted
lymphocyte
peritoneal
macrophages
proliferation,
increased
immune-related
cytokines
production
serum.
Moreover,
could
regulate
flora
composition,
increasing
abundance
Lactobacillaceae
Alistipes
,
inhibiting
Erysipelotrichia
Turicibacter
Romboutsia
Peptostreptococcaceae
Faecalibaculum
.
These
results
positively
correlated
with
characteristics.
Overall,
be
useful
as
a
new
potential
strategy
to
mitigate
CTX
immunosuppression
microbiota
disorders.
Low
molecular
weight
(6.5
kDa)
Glycyrrhiza
polysaccharide
(GP)
exhibits
good
immunomodulatory
activity,
however,
the
mechanism
underlying
GP-mediated
regulation
of
immunity
and
gut
microbiota
remains
unclear.
In
this
study,
we
aimed
to
reveal
mechanisms
using
cyclophosphamide
(CTX)-induced
immunosuppressed
intestinal
mucosal
injury
models.
GP
reversed
CTX-induced
structural
damage
increased
number
goblet
cells,
CD4+,
CD8+
T
lymphocytes,
mucin
content,
particularly
by
maintaining
balance
helper
lymphocyte
1/helper
2
(Th1/Th2).
Moreover,
alleviated
immunosuppression
down-regulating
extracellular
regulated
protein
kinases/p38/nuclear
factor
kappa-Bp50
pathways
increasing
short-chain
fatty
acids
level
secretion
cytokines,
including
interferon-γ,
interleukin
(IL)-4,
IL-2,
IL-10,
IL-22,
transforming
growth
factor-β3
immunoglobulin
(Ig)
M,
IgG
secretory
A.
treatment
total
species
diversity
microbiota.
Microbiota
analysis
showed
that
promoted
proliferation
beneficial
bacteria,
Muribaculaceae_unclassified,
Alistipes,
Lachnospiraceae_NK4A136_group,
Ligilactobacillus,
Clostridia_vadinBB60_group,
reduced
abundance
Proteobacteria
CTX-derived
bacteria
(Clostridiales_unclassified,
Candidatus_Arthromitus,
Firmicutes_unclassified,
Clostridium).
The
studies
fecal
transplantation
pseudo-aseptic
model
conformed
is
crucial
in
regulation.
shows
great
potential
as
an
immune
enhancer
a
natural
medicine
for
treating
inflammatory
diseases.
Journal of Functional Foods,
Год журнала:
2024,
Номер
113, С. 105974 - 105974
Опубликована: Янв. 10, 2024
This
study
aimed
to
explore
the
immunomodulatory
activity
of
Dendrobium
officinale
leaf
polysaccharide
(DOLP)
in
both
immunosuppressed
and
normal
mice.
The
data
showed
that
DOLP
significantly
reversed
thymic
splenic
damage
mice,
regulated
their
peripheral
blood
cells
(PLT,
etc.),
immune-related
cytokines
(TNF-α,
INF-γ
IL-6)
immunoglobulins
(IgA,
IgG
IgM)
production,
increased
relative
abundance
beneficial
bacteria
(Lactobacillus
Bifidobacterium,
etc.)
while
decreased
pathogenic
(Desulfovibrio,
etc.).
In
INF-γ,
IL-6),
gut
microbiota
diversity,
(unclassified_f_Lachnospiraceae_NK4A136_group,
results
indicated
could
exert
immune
modulating
effects
on
mice
by
parameters
microbiota.
These
findings
provide
new
insights
into
immune-modulating
a
solid
basis
for
thorough
utilization
DOLP.
Molecular Nutrition & Food Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
ABSTRACT
Fecal
microbiota
transplantation
(FMT)
could
significantly
alter
the
recipient's
gut
bacteria
composition
and
attenuate
obesity
obesity‐related
metabolic
syndromes.
DL‐norvaline
is
a
nonproteinogenic
amino
acid
possesses
anti‐obesity
potential.
However,
specific
mechanisms
by
which
might
mediate
beneficial
effects
of
have
not
been
completely
elucidated.
In
this
study,
DL‐norvaline‐mediated
FMT
upregulated
(
Clostridia_UCG_014
,
Christensenellales
Bacilli
Ileibacterium
Dubosiella
Lactobacillus
Muribaculaceae
Bacteroidaceae
)
downregulated
harmful
Tuzzerella
Marinifilaceae
),
further
intestinal
inflammation,
oxidative
stress,
barrier
were
alleviated
as
well
short
chain
fatty
acids
levels
increased,
thus
alleviating
glucose
insulin
metabolism,
improving
biochemical
indexes
energy
metabolism
decreasing
body
weight
gain
tissue
weight.
heat‐inactivated
did
demonstrate
any
those
improvements
in
obese
mice.
Notably,
both
increased
being
signature
alterations
to
marker
caused
DL‐norvaline.
Therefore,
transmissible
via
FMT.
This
study
highlighted
pivotal
involvement
development
provided
novel
insight
into
underlying
FMT,
thereby
potentially
enhancing
efficacy
refinement
utilization.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Янв. 28, 2025
Gut
microbiota
can
digest
and
ferment
feed
into
metabolites
to
influence
the
meat
quality.
Probiotics
are
used
regulate
gut
microbiota.
In
this
study,
a
total
of
360
broilers
were
assigned
4
treatments
(10
per
cage):
control
(Con),
low
dose
Lactiplantibacillus
plantarum
HW1
(Lp_L),
medium
Lp
(Lp_M)
high
(Lp_H)
for
42-day
experimental
period.
Results
showed
that
improved
growth
performance,
carcass
traits,
breast
quality,
also
influenced
fatty
acids
composition,
including
decrease
n-6PUFA/n-3PUFA,
increase
C18:3n3,
∑n-3PUFA
PUFA/SFA.
The
lipid
metabolism-related
gene
expressions
in
liver
increased
expression
AMPK
,
CPT-1α
PPARα
ATGL
decreased
PPARγ
SREBP-1c
ACC
FAS
LPL
SCD
.
Moreover,
abundances
microbiota,
such
as
Synergistaceae
Synergistes
by
treatments.
Functional
prediction
indicated
pathways,
pancreatic
secretion
spliceosome
enriched
Untargeted
metabolomics
revealed
altered
content
metabolites,
6-ketomyristic
acid
indole-3-acetamide.
These
pathways
metabolism.
Correlation
analyses
potential
interactions
between
performance
well
(
etc.)
(6-ketomyristic
acid,
etc.).
Overall,
our
data
show
significantly
traits
quality
regulating
acids,
metabolites.
Marine Drugs,
Год журнала:
2021,
Номер
19(8), С. 456 - 456
Опубликована: Авг. 11, 2021
The
intestinal
flora
is
recognized
as
a
significant
contributor
to
the
immune
system.
In
this
research,
protective
effects
of
oyster
peptides
on
regulation
and
microbiota
were
investigated
in
mice
treated
with
cyclophosphamide.
results
showed
that
restored
indexes
thymus,
spleen
liver,
stimulated
cytokines
secretion
promoted
relative
mRNA
levels
Th1/Th2
(IL-2,
IFN-γ,
IL-4
IL-10).
Occludin,
Claudin-1,
ZO-1,
Mucin-2
up-regulated,
NF-κB
signaling
pathway
was
also
activated
after
administration.
Furthermore,
treatment
reduced
proportion
Firmicutes/Bacteroidetes,
increased
abundance
Alistipes,
Lactobacillus,
Rikenell
content
short-chain
fatty
acids,
reversed
composition
microflora
similar
normal
mice.
conclusion,
effectively
ameliorated
cyclophosphamide-induced
damage
modified
gut
structure
mice,
might
be
utilized
beneficial
ingredient
functional
foods
for
regulation.
Frontiers in Immunology,
Год журнала:
2021,
Номер
12
Опубликована: Окт. 21, 2021
Cyclophosphamide
(CTX),
a
common
anticancer
drug,
can
cause
variety
of
side
effects
such
as
immunosuppression
and
intestinal
mucosal
injury.
Polysaccharides
are
the
major
bioactive
components
roots
Millettia
Speciosa
Champ
have
gained
attention
for
their
immunomodulatory
activity.
This
study
was
designed
to
evaluate
effect
polysaccharide
(MSCP)
on
CTX-induced
mice
possible
mechanism.
The
results
showed
that
MSCP
attenuated
decrease
in
body
weight
immune
organ
indices
promoted
secretion
immune-related
cytokines
(IL-2,
IL-4,
IL-10,
TNF-α,
IgG).
Meanwhile,
restored
morphology,
increased
ratio
villus
height/crypt
depth
(V/C),
improved
number
goblet
cells
mucins
expression.
At
mRNA
level,
activated
TLRs/MyD88/NF-κB
p65
pathway
enhanced
expression
genes
related
integrity
(Occludin1,
Claudin1,
MUC-2).
In
addition,
prebiotic
microbial
community
diversity,
regulated
relative
abundance
dominant
microbiota
from
phylum
level
genus
gut
dysbiosis,
short-chain
fatty
acid
production
mice.
Based
present
findings,
may
modulate
response
depending
enhancing
health,
suggesting
holds
promise
promising
immunostimulant
functional
foods
drugs.