bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Oct. 12, 2023
Abstract
This
study
evaluated
15
lactic
acid
bacteria
in
terms
of
their
ability
to
degrade
inosine
and
hypoxanthine—which
are
the
intermediates
purine
metabolism—for
management
hyperuricemia
gout.
After
a
preliminary
screening
based
on
HPLC,
CR1
(
Lactiplantibacillus
plantarum
)
GZ1
pentosus
showed
highest
nucleoside
degrading
rates
were
therefore
selected
for
further
characterization.
IDCC
2201
S.
thermophilus
),
which
possessed
hpt
gene
encoding
hypoxanthine-guanine
phosphoribosyltransferase
(HGPRT)
exhibited
degradation,
was
also
selected.
These
three
strains
examined
effect
probiotics
lowering
serum
uric
rat
model
potassium
oxonate
(PO)-induced
hyperuricemia.
Among
them,
level
most
reduced
by
(p
<
0.05).
Further,
analysis
microbiome
that
administration
recovered
ratio
Bacteroidetes/Firmicutes
intestinal
microbial
composition
unbalanced
difference
compared
group
administered
with
allopurinol.
Moreover,
short-chain
fatty
acids
(SCFAs)
significantly
increased.
Ultimately,
findings
show
lowers
levels
purine-nucleosides
restores
flora
SCFAs,
ultimately
suggesting
is
promising
candidate
use
as
an
adjuvant
treatment
patients
Foods,
Journal Year:
2025,
Volume and Issue:
14(7), P. 1118 - 1118
Published: March 24, 2025
This
study
investigated
the
protective
effects
of
a
polyherbal
tea
(PHT)
on
intestinal
injury
in
hyperuricemia
(HUA)
mice
and
underlying
mechanisms.
PHT
was
orally
administered
to
for
49
days,
while
potassium
oxonate
hypoxanthine
were
7
days
after
administration
continued
42
cause
HUA.
Treatment
with
significantly
reduced
serum
uric
acid
blood
urea
nitrogen
levels
HUA
mice.
It
also
inhibited
liver
xanthine
oxidase
activity
promoted
excretion
through
upregulation
transporters
GLUT9
ABCG2.
Intestinal
barrier
integrity
reinforced,
as
evidenced
by
restoration
villous
structure,
reduction
edema,
tight
junction
proteins
(occludin,
ZO-1)
mucin
(MUC2).
Moreover,
suppressed
LPS
NF-κB
pathway,
leading
TNF-α
IL-6
gut.
Gut
microbiota
analysis
revealed
reversed
dysbiosis,
enriching
beneficial
bacteria
like
Duncaniella
sp.
Heminiphilus
faecis.
By
UPLC-MS
analysis,
154
compounds
persisted
gut,
suggesting
that
these
are
likely
modulate
both
function
gut
microbiota.
These
findings
suggest
this
may
have
potential
functional
food
prevention
hyperuricemia.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 10, 2025
Abstract
In
recent
years,
gout
resulting
from
uric
acid
metabolism
disorders
has
led
to
significant
economic
losses
in
goose
production.
The
intestine
is
a
vital
organ
crucial
for
metabolism.
Hydroxypropyl
starch
(HPS)
resistant
modified
natural
starch,
which
can
enhance
intestinal
health
as
dietary
ingredient
fiber.
this
study,
240
30-day-old
Yangzhou
geese
with
similar
body
weights
were
divided
into
three
groups:
control
group
(CG)
received
basal
diet
+
5%
corn
starch;
the
hydroxypropyl
and
sodium
urate
(SU)
given
starch.
experiment
lasted
21
days,
SU
was
administered
30
mg
of
per
day
during
last
4
days
study.
results
indicated
that
level
HPS
56.6
µmol/L,
significantly
lower
than
CG
(70.8
µmol/L)
(129.7
µmol/L).
morphological
findings
revealed
ileum
exhibited
varying
degrees
damage,
while
maintained
complete
structure.
villus
height
ratio
crypt
depth
higher
compared
those
groups,
group.
A
total
1462
differentially
expressed
genes
(DEGs)
identified
at
transcriptome
level.
GO
KEGG
functional
enrichment
analyses
DEGs
enriched
Brush
border
membrane,
border,
PPAR
signaling
pathway,
PI3K-Akt
other
related
processes.
Subsequent
analysis
up-regulated
expression
associated
function
(such
SLC5A12
SLC5A8),
structure
(including
NR5A2,
IPMK),
(PDZK1).
accuracy
reliability
sequencing
data
confirmed
by
RT-qPCR.
we
systematically
demonstrated
improve
morphology
reduce
serum
levels,
emphasizing
its
potential
supplement
geese.
International Journal of Biological Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown, P. 143422 - 143422
Published: April 1, 2025
Alginate,
a
bioactive
polysaccharide
fermentable
by
gut
microbiota,
has
been
shown
to
effectively
reduce
serum
uric
acid
levels.
However,
its
mechanisms
and
the
role
of
microbiota
remain
unclear.
In
this
study,
we
explored
effects
alginate
with
two
different
molecular
weights
on
hyperuricemia
mice.
Both
alginates
exhibited
potent
hypouricemic
through
ABCG2
transporter
upregulation,
ameliorating
hyperuricemia-induced
renal
intestinal
dysfunctions,
low-molecular-weight
demonstrating
enhanced
bioavailability
microbial
biodegradation
superior
therapeutic
efficacy
in
management.
Additionally,
found
that
alleviates
dysbiosis
induced
enriching
potentially
beneficial
bacteria.
These
include
Limosilactobacillus
Lactobacillus,
which
show
significant
negative
correlation
bacteria
might
regulate
precursors
during
purine
metabolism,
thereby
reducing
accumulation.
summary,
study
reveals
protective
damage
mice
highlights
crucial
microbiota.
It
provides
valuable
insights
into
mediate
alginate.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 28, 2025
Hyperuricemia
(HUA)
impaires
spermatogenesis.
This
study
was
carried
out,
aiming
to
determine
whether
butyric
acid
(NaB)
avoids
the
HUA-induced
decline
of
sperm
quality
HUA
mice
were
developed
through
intra-peritoneal
injection
potassium
oxalate
combined
with
intragastric
uric
(UA)
and
by
tube
feeding
300
mg·kg-1·d-1NaB.
The
effect
NaB
on
reproduction
male
determined
measuring
count,
motility
testosterone
content.
In
addition,
TM3
GC-2
cells
treated
a
solution
containing
30
mg/dl
UA
1mM
NaB.
effects
evaluated
expression
level
genes
involving
in
LH/cAMP/PKA
signaling
pathway
meiosis,
that
encoding
OPRL1
receptor
protein.
Results
showed
improved
motility,
synthesis,
impaired
spermatocyte
meiosis
via
HUA.
vitro
analysis
activated
cells,
promoted
synthesis
testosterone,
up-regulated
content
pain-sensitive
peptide
(OPRL1)
surface
meiosis.
also
utilization
ATP
cells.
We
illustrated
close
relationship
between
spermatogenesis
defects.
NaB-promoted
functioning
testis
may
aid
improving
quality.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(2), P. e0293378 - e0293378
Published: Feb. 22, 2024
This
study
evaluated
15
lactic
acid
bacteria
with
a
focus
on
their
ability
to
degrade
inosine
and
hypo-xanthine—which
are
the
intermediates
in
purine
metabolism—for
management
of
hyperuricemia
gout.
After
preliminary
screening
based
HPLC,
Lactiplantibacillus
plantarum
CR1
pentosus
GZ1
were
found
have
highest
nucleoside
degrading
rates,
they
therefore
selected
for
further
characterization.
S
.
thermophilus
IDCC
2201,
which
possessed
hpt
gene
encoding
hypoxanthine-guanine
phosphoribosyltransferase
(HGPRT)
exhibited
degradation,
was
also
These
three
strains
examined
terms
probiotic
effect
lowering
serum
uric
Sprague-Dawley
(SD)
rat
model
potassium
oxonate
(PO)-induced
hyperuricemia.
Among
these
strains,
level
most
reduced
by
2201
(p
<
0.05).
Further,
analysis
microbiome
showed
that
administration
thermophlilus
led
significant
difference
gut
microbiota
composition
compared
group
administered
PO-induced
Moreover,
intestinal
short-chain
fatty
acids
(SCFAs)
be
significantly
increased.
Altogether,
results
this
work
indicate
lowers
levels
purine-nucleosides
restores
flora
SCFAs,
ultimately
suggesting
is
promising
candidate
use
as
an
adjuvant
treatment
patients
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(23), P. 12998 - 12998
Published: Dec. 3, 2024
Intestinal
mucosal
barrier
damage
is
regarded
as
the
critical
factor
through
which
chronic
unpredictable
mild
stress
(CUMS)
leads
to
a
variety
of
physical
and
mental
health
problems.
However,
exact
mechanism
by
CUMS
induces
intestinal
unclear.
In
this
study,
14,
28,
42
d
model
mice
were
established.
The
indicators
related
ileal
(IMBD),
composition
microbiota
its
amino
acid
(AA)
short-chain
fatty
(SCFA)
metabolic
functions,
free
(FAA)
SCFA
levels
in
lumen
measured
before
after
each
period.
correlations
between
them
are
analyzed
investigate
how
male
C57BL/6
mice.
With
progression
CUMS,
butyric
(BA)
decreased
(14
28
d)
then
increased
(42
d),
IMBD
progressively
increased.
late
stage
degree
most
severe
positively
correlated
with
significantly
BA
(
Journal of Digestive Diseases,
Journal Year:
2023,
Volume and Issue:
25(1), P. 44 - 60
Published: Dec. 21, 2023
Objective
The
intestine
is
responsible
for
approximately
one‐third
of
uric
acid
(UA)
excretion.
effect
commensal
Enterococcus
faecalis
(
E.
),
one
the
most
colonized
bacteria
in
gut,
on
UA
excretion
remains
to
be
investigated.
aim
this
study
was
evaluate
metabolism
and
gut
microbiota.
Methods
16S
rRNA
gene
sequencing
used
examine
species
mouse
fecal
content.
strain
isolated
from
feces
identified
W5.
hyperuricemia
(HUA)
animal
model
established
with
yeast‐rich
forage
250
mg·kg
−1
·day
potassium
oxonate.
Oral
administration
W5
given
20
days,
serving
as
Efa
group.
Results
Disrupted
intestinal
barrier,
activated
proinflammatory
response
low
were
found
HUA
mice.
After
treatment,
barrier
restored
serum
level
decreased.
Additionally,
levels
elevated,
urate
transporter
ABCG2
purine
upregulated.
Moreover,
short‐chain
fatty
increased,
inflammation
ameliorated.
Conclusions
Commensal
ameliorated
through
reversing
impaired
promoting
secretion
by
regulating
expression,
decreasing
synthesis
metabolism.
results
may
provide
potential
developing
treatments
intestine.
Nutrients,
Journal Year:
2024,
Volume and Issue:
16(17), P. 3042 - 3042
Published: Sept. 9, 2024
ATP-binding
cassette
transporter
subfamily
G
member
2
(ABCG2)
is
responsible
for
the
excretion
of
foreign
substances,
such
as
uric
acid
(UA)
and
indoxyl
sulfate
(IS),
from
body.
Given
importance
increased
ABCG2
expression
in
UA
excretion,
we
investigated
enhancement
intestinal
using
Journal of Inflammation Research,
Journal Year:
2023,
Volume and Issue:
Volume 16, P. 4593 - 4601
Published: Oct. 1, 2023
Abstract:
Since
the
incidence
of
gouty
arthritis
(GA)
exhibits
yearly
increases,
accurate
assessment
and
early
treatment
have
significant
values
for
improving
disease
conditions
monitoring
prognosis.
Neutrophil
to
lymphocyte
ratio
(NLR)
is
a
common
indicator
in
blood
routine,
which
has
characteristics
easy
access
low
cost.
In
recent
years,
NLR
been
proven
be
an
effective
guiding
diagnosis,
treatment,
prognosis
various
diseases.
Moreover,
varying
degrees
relationship
with
inflammatory
biomarkers,
can
affect
reflect
response
body.
This
paper
reviews
independent
value
GA
its
underlying
molecular
pathological
mechanisms,
intending
contribute
further
application
NLR.
Keywords:
neutrophil
ratio,
arthritis,
response,
neutrophils,
activity
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
283, P. 116943 - 116943
Published: Aug. 30, 2024
Lead
(Pb)
is
an
environmentally
widespread
bone
toxic
pollutant,
contributes
to
the
development
of
osteoporosis.
Butyric
acid,
mainly
produced
by
fermentation
indigestible
dietary
fiber
gut
microbiota,
plays
a
pivotal
role
in
maintenance
homeostasis.
However,
effects
butyric
acids
on
Pb
induced
osteoporosis
have
not
yet
been
elucidated.
In
this
study,
our
results
showed
that
exposure
was
negatively
related
abundance
Pb-exposed
population
and
mice.
caused
microbiota
disorders,
resulting
decline
acid-producing
bacteria,
such
as
Butyrivibrio_crossotus,
Clostridium_sp._JN9,
butyrate-producing
enzymes
through
acetyl-CoA
pathway.
Moreover,
from
NHANES
data
suggested
intake
butyrate
associated
with
reduced
risk
lead-burdened
populations,
particularly
among
men
or
participants
aged
18–60
years.
addition,
supplementation
mice
chronic
improved
microarchitectures,
repaired
intestinal
damage,
upregulated
proportion
Treg
cells.
Taken
together,
these
demonstrated
disturbs
gut-bone
axis,
which
can
be
restored
acid
supplement.
Our
suggest
possible
therapeutic
strategy
for
lead-induced
toxicity.