New insight into intestinal toxicity accelerated by aged microplastics with triclosan: inflammation regulation by gut microbiota-bile acid axis
Dawu Lin,
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Xiangyu Chen,
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Xiaojun Lin
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et al.
Journal of Hazardous Materials,
Journal Year:
2025,
Volume and Issue:
492, P. 138308 - 138308
Published: April 15, 2025
Language: Английский
Microglia and Gut Microbiota: A Double-Edged Sword in Alzheimer's Disease
Nargis Bano,
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Sameera Khan,
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Shakir Ahamad
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et al.
Ageing Research Reviews,
Journal Year:
2024,
Volume and Issue:
unknown, P. 102515 - 102515
Published: Sept. 1, 2024
Language: Английский
The role of gut microbiota‐derived metabolites in neuroinflammation
Lingjie Mu,
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Yijie Wang
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Neuroprotection/Neuroprotection (Chichester, England. Print),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 15, 2025
Abstract
Neuroinflammation,
a
key
defense
mechanism
of
the
nervous
system,
is
associated
with
changes
in
inflammatory
markers
and
stimulation
neuroimmune
cells
such
as
microglia
astrocytes.
Growing
evidence
indicates
that
gut
microbiota
its
metabolites
directly
or
indirectly
regulate
host
health.
According
to
recent
studies,
bacterial
dysbiosis
closely
linked
several
central
system
disorders
cause
neuroinflammation,
including
multiple
sclerosis,
Alzheimer's
disease,
Parkinson's
sepsis‐associated
encephalopathy,
ischemic
stroke.
Recent
findings
indicate
bidirectional
communication
network
between
influences
neuroinflammation
cognitive
function.
Dysregulation
this
can
affect
generation
cytotoxic
metabolites,
promote
impair
cognition.
This
review
explores
lesser‐studied
microbiota‐derived
involved
neuroinflammation—bile
acids,
trimethylamine‐N‐oxide,
indole
derivatives—as
targets
for
creating
new
treatment
tools
neuroinflammatory
illnesses,
well
possible
biomarkers
early
diagnosis
prognosis.
Language: Английский
Aged Gut Microbiota Contributes to Cognitive Impairment and Hippocampal Synapse Loss in Mice
Mingxiao Li,
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Yiyang Bao,
No information about this author
Jiaoqi Ren
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et al.
Aging Cell,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 12, 2025
Gut
microbiota
alteration
during
the
aging
process
serves
as
a
causative
factor
for
aging-related
cognitive
decline,
which
is
characterized
by
early
hallmark,
hippocampal
synaptic
loss.
However,
impact
and
mechanistic
role
of
gut
in
synapse
loss
remains
unclear.
Here,
we
observed
that
fecal
naturally
aged
mice
successfully
transferred
impairment
to
young
recipients.
Multi-omics
analysis
revealed
was
with
obvious
change
Bifidobacterium
pseudolongum
(B.p)
metabolite
tryptophan,
indoleacetic
acid
(IAA)
periphery
brain.
These
features
were
also
reproduced
recipients
transplanted
microbiota.
Fecal
B.p
abundance
reduced
patients
compared
healthy
subjects
showed
positive
correlation
scores.
Microbiota
transplantation
from
who
had
fewer
abundances
yielded
worse
behavior
than
those
higher
abundances.
Meanwhile,
supplementation
capable
producing
IAA
enhancing
peripheral
brain
bioavailability,
well
improving
behaviors
microglia-mediated
5
×
FAD
transgenic
mice.
produced
shown
prevent
microglia
engulfment
synapses
an
aryl
hydrocarbon
receptor-dependent
manner.
This
study
reveals
-induced
decline
is,
at
least
partially,
due
deficiency
its
metabolite,
IAA.
It
provides
proof-of-concept
strategy
preventing
neurodegenerative
diseases
modulating
probionts
their
tryptophan
metabolites.
Language: Английский
Mechanosensory Piezo2 regulated by gut microbiota participates in the development of visceral hypersensitivity and intestinal dysmotility
Haonan Zheng,
No information about this author
Yuzhu Chen,
No information about this author
Siqi Lu
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et al.
Gut Microbes,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: April 28, 2025
The
gut
microbiota
plays
a
crucial
role
in
the
manifestation
of
intestinal
dysfunction
associated
with
irritable
bowel
syndrome
(IBS).
mechanosensory
Piezo2
has
been
implicated
regulation
function.
However,
it
remains
unclear
whether
is
modulated
by
microbiota,
thus
contributing
to
development
visceral
hypersensitivity
and
dysmotility.
study
enrolled
patients
diarrhea-predominant
IBS
(IBS-D)
alongside
healthy
controls
(HC).
Questionnaires,
rectal
barostat
test,
colonoscopy
mucosal
biopsy
were
conducted.
Fecal
transplantation
(FMT)
was
performed
using
samples
from
HC
or
IBS-D
patients,
interventions
Akkermansia
muciniphila
Fusobacterium
varium
carried
out
on
colon-
dorsal
root
ganglion
(DRG)-
knockdown
pseudo-germ-free
mice.
Visceral
sensitivity
motility
assessed.
levels
detected
western
blot
immunofluorescence.
16S
rRNA
sequencing
cecum
untargeted
metabolomics
analysis,
followed
molecular
docking
predictions
Piezo2,
also
performed.
ratio
Piezo2+/5-HT+
cells
lower
positively
correlated
sensation
dysbiosis.
mice
that
received
FMT
exhibited
colonic
dysmotility
hypersensitivity,
along
elevated
protein
colon
DRG.
Knockdown
DRG
ameliorated
FMT-induced
hypersensitivity.
revealed
distinct
composition.
Notably,
varium,
but
not
muciniphila,
induced
effects
could
be
alleviated
knockdown.
Additionally,
lead
increased
levels,
as
well
indole-3-acetic
acid
indole-3-acrylic
acid,
which
predicted
bind
causing
disturbances.
can
regulated
involved
dysmotility,
playing
role.
Language: Английский
Crosstalk Between Bile Acids and Intestinal Epithelium: Multidimensional Roles of Farnesoid X Receptor and Takeda G Protein Receptor 5
Xiulian Lin,
No information about this author
Li Xia,
No information about this author
Yabo Zhou
No information about this author
et al.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(9), P. 4240 - 4240
Published: April 29, 2025
Bile
acids
and
their
corresponding
intestinal
epithelial
receptors,
the
farnesoid
X
receptor
(FXR),
G
protein-coupled
bile
acid
(TGR5),
play
crucial
roles
in
physiological
pathological
processes
of
cells.
These
receptors
are
involved
regulation
absorption,
signal
transduction,
cellular
proliferation
repair,
senescence,
energy
metabolism,
modulation
gut
microbiota.
A
comprehensive
literature
search
was
conducted
using
PubMed,
employing
keywords
such
as
acid,
receptor,
FXR
(nr1h4),
TGR5
(gpbar1),
cells,
proliferation,
differentiation,
microbiota,
inflammatory
bowel
disease
(IBD),
colorectal
cancer
(CRC),
irritable
syndrome
(IBS),
with
a
focus
on
publications
available
English.
This
review
examines
diverse
effects
signaling
pathways
metabolism
Additionally,
it
explores
interactions
between
acids,
well
implications
these
for
host
health,
particularly
relation
to
prevalent
diseases.
Finally,
highlights
importance
developing
highly
specific
ligands
context
metabolic
disorders.
Language: Английский
Young fecal microbiota transplantation improves working memory in aged recipient rats by increasing interleukin-4 and interleukin-17 levels
Yiru Yin,
No information about this author
Mingzhu Guan,
No information about this author
Shufen Wu
No information about this author
et al.
Neuroscience Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Language: Английский
Gut microbiota and well-being: a comprehensive summary of the special issue
Pharmacological Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 107791 - 107791
Published: May 1, 2025
Language: Английский
Beyond Metabolic Messengers: Bile Acids and TGR5 as Pharmacotherapeutic Intervention for Psychiatric Disorders
Arief Gunawan Darmanto,
No information about this author
Ting‐Lin Yen,
No information about this author
Jing‐Shiun Jan
No information about this author
et al.
Pharmacological Research,
Journal Year:
2024,
Volume and Issue:
unknown, P. 107564 - 107564
Published: Dec. 1, 2024
Psychiatric
disorders
pose
a
significant
global
health
challenge,
exacerbated
by
the
COVID-19
pandemic
and
insufficiently
addressed
current
treatments.
This
review
explores
emerging
role
of
bile
acids
TGR5
receptor
in
pathophysiology
psychiatric
conditions,
emphasizing
their
signaling
within
gut-brain
axis.
We
detail
synthesis
systemic
functions
acids,
transformation
gut
microbiota,
impact
across
various
neuropsychiatric
disorders,
including
major
depressive
disorder,
general
anxiety
schizophrenia,
autism
spectrum
bipolar
disorder.
The
highlights
how
dysbiosis
altered
acid
metabolism
contribute
to
development
exacerbation
these
through
mechanisms
involving
inflammation,
oxidative
stress,
neurotransmitter
dysregulation.
Importantly,
we
both
pharmacological
non-pharmacological
interventions
that
modulate
signaling,
offering
potential
breakthroughs
treatment
strategies.
These
include
dietary
adjustments
enhance
beneficial
production
use
specific
agonists
have
shown
promise
preclinical
clinical
settings
for
regulatory
effects
on
critical
pathways
such
as
cAMP-PKA,
NRF2-mediated
antioxidant
responses,
neuroinflammation.
By
integrating
findings
from
dynamics
metabolism,
related
events,
this
underscores
cutting-edge
therapeutic
approaches
poised
revolutionize
management
disorders.
Language: Английский