Nutrients,
Journal Year:
2021,
Volume and Issue:
13(3), P. 940 - 940
Published: March 15, 2021
Anxiety
is
one
of
the
complications
metabolic
disorders
(MDs).
Obeticholic
acid
(OCA),
bile
acids
(BAs)
derivative,
a
promising
agent
for
improving
MDs
in
association
with
gut
dysbiosis.
Yet,
its
protective
effect
on
MDs-driven
anxiety
remains
unknown.
Here,
we
assessed
serum
biochemical
parameters
and
behavioral
performance
by
open
field
Morris
water
maze
tests
HFHS
diet-induced
mice
after
OCA
intervention
nine
18
weeks.
Moreover,
antibiotics
microbial
depletion
was
conducted
simultaneously.
We
found
that
treatment
inhibited
initiation
progression
diet-MDs
via
microbiota–BAs–brain
axis:
decreased
neuroinflammatory
microglia
IL-1β
expression
hippocampus,
reversed
intestinal
barrier
dysfunction
proinflammatory
LPS
to
normal
level,
modified
community,
including
known
anxiety-related
Rikenellaceae
Alistipes,
improved
metabolites
especially
increased
BAs
feces
circulation.
OCA-reversed
taurocholate
linked
disordered
lipid
indole
derivatives
as
network
analysis.
Additionally,
also
anxiety,
microgliosis
enrichment
experimental
mice.
Together,
these
findings
provide
axis
novel
therapeutic
target
MDs-associated
neuropsychiatric
disorders.
Neuropharmacology,
Journal Year:
2022,
Volume and Issue:
226, P. 109398 - 109398
Published: Dec. 27, 2022
This
theoretical
article
revives
a
classical
bridging
construct,
canalization,
to
describe
new
model
of
general
factor
psychopathology.
To
achieve
this,
we
have
distinguished
between
two
types
plasticity,
an
early
one
that
call
'TEMP'
for
'Temperature
or
Entropy
Mediated
Plasticity',
and
another,
'canalization',
which
is
close
Hebbian
plasticity.
These
forms
plasticity
can
be
most
easily
by
their
relationship
'precision'
inverse
variance;
TEMP
relates
increased
variance
decreased
precision,
whereas
the
opposite
true
canalization.
also
subsumes
learning
rate,
(Ising)
temperature
entropy.
Dictionary
definitions
'plasticity'
it
as
property
being
shaped
molded;
better
match
this.
Importantly,
propose
'pathological'
phenotypes
develop
via
mechanisms
canalization
defensive
response
adversity
associated
distress
dysphoria.
Our
states
entrenches
in
psychopathology,
narrowing
phenotypic
state-space
agent
develops
expertise
pathology.
We
suggest
-
combined
with
gently
guiding
psychological
support
counter
address
questions
whether
when
adaptive
versus
maladaptive,
furnish
our
references
basic
human
neuroscience,
offer
concrete
experiments
measures
test
its
main
hypotheses
implications.
part
Special
Issue
on
"National
Institutes
Health
Psilocybin
Research
Speaker
Series".
Food & Function,
Journal Year:
2021,
Volume and Issue:
13(2), P. 957 - 969
Published: Dec. 23, 2021
Depression
is
a
mood
disorder
with
high
prevalence
rate
globally,
which
associated
abnormalities
in
5-hydroxytryptamine
(5-HT)
metabolism.
Emerging
evidence
suggests
that
certain
probiotics
modulate
5-HT
metabolism
confer
beneficial
effects
on
depression.
In
this
study,
vitro
enterochromaffin
RIN14B
cells
were
used
for
screening
potential
antidepressant
probiotic
Lactococcus
lactis
strains.
The
L.
strain
WHH2078
increased
to
levels
the
precursor
5-hydroxytryptophan
(5-HTP)
and
expression
of
tryptophan
hydroxylase
1
(Tph1),
converts
5-HTP
cells.
oral
administration
(1
×
109
CFU
mL-1)
mice
induced
chronic
unpredictable
mild
stress
(CUMS)
5
weeks
significantly
ameliorated
depressive
anxiety-like
behaviors
tail
suspension
test,
forced
swim
sucrose
preference
open
field
test.
Besides,
reduced
serum
corticosterone
level
restored
central
5-HT,
5-HTP,
brain-derived
neurotrophic
factor
CUMS-induced
mice.
Moreover,
also
reversed
colon,
accompanied
by
an
upregulation
colonic
Tph1
gene
expression.
Using
16S
rRNA
high-throughput
sequencing
feces,
was
shown
improve
gut
microbial
dysbiosis,
through
restoring
alpha
diversity
abundances
Firmicutes
Bacteroidetes.
summary,
these
results
indicate
can
alleviate
rodent
response
CUMS,
improvement
modulation
microbiome
composition.
Therefore,
supplementation
properties
may
serve
as
promising
therapeutic
strategy
stress-induced
ACS Chemical Neuroscience,
Journal Year:
2022,
Volume and Issue:
13(13), P. 1948 - 1965
Published: June 23, 2022
Depression
is
a
debilitating
mental
disorder
that
affects
>322
million
people
worldwide.
Despite
the
availability
of
several
antidepressant
agents,
many
patients
remain
treatment
refractory.
A
growing
literature
study
has
indicated
role
gut
microbiota
in
neuropsychiatric
disorders.
Herein,
we
examined
psychobiotic-like
activity
multi-strain
probiotic
formulation
maternal
separation
(MS)
and
chronic
unpredictable
mild
stress
(CUMS)
models
anxiety-
depression-like
phenotypes
Sprague-Dawley
rats.
Early-
late-life
was
employed
both
male
female
rats
by
exposing
them
to
MS
CUMS.
The
(Cognisol)
containing
Bacillus
coagulans
Unique
IS-2,
Lactobacillus
plantarum
UBLP-40,
rhamnosus
UBLR-58,
Bifidobacterium
lactis
UBBLa-70,
breve
UBBr-01,
infantis
UBBI-01
at
total
strength
10
billion
cfu
along
with
l-glutamine
administered
for
6
weeks
via
drinking
water.
Neurobehavioral
assessment
done
using
forced
swim
test
(FST),
sucrose
preference
(SPT),
elevated
plus
maze
(EPM),
open
field
(OFT).
Animals
were
sacrificed
after
behavioral
assessment,
blood,
brain,
intestine
samples
collected
analyze
levels
cytokines,
metabolites,
neurotransmitters
histology.
exposed
showed
increased
passivity,
consumed
less
solution,
minimally
explored
arms
FST,
SPT,
EPM,
respectively.
Administration
probiotics
ameliorated
abnormalities.
locomotor
animals
OFT
their
body
weight
remained
unchanged
across
groups.
Cognisol
reversed
decreased
BDNF
serotonin
CRP,
TNF-α,
dopamine
hippocampus
and/or
frontal
cortex.
also
restored
plasma
l-tryptophan,
l-kynurenine,
kynurenic-acid,
3-hydroxyanthranilic
acid;
Firmicutes-to-Bacteroides
ratio;
acetate,
propionate,
butyrate
fecal
samples;
villi/crypt
goblet
cell
count,
which
manifested
restoration
intestinal
functions.
We
suggest
glutamine
+
UCMS-generated
reshaping
microbiome–brain
sexes.
EBioMedicine,
Journal Year:
2023,
Volume and Issue:
90, P. 104491 - 104491
Published: March 1, 2023
It
has
been
widely
recognized
that
a
critical
time
window
for
neurodevelopment
occurs
in
early
life
and
the
host's
gut
microbiome
plays
an
important
role
neurodevelopment.
Following
recent
demonstrations
maternal
prenatal
influences
offspring
brain
development
murine
models,
we
aim
to
explore
whether
association
between
is
or
postnatal
human.Here
leverage
large-scale
human
study
compare
associations
microbiota
metabolites
from
mothers
during
pregnancy
their
children
with
children's
Specifically,
using
multinomial
regression
integrated
Songbird,
assessed
discriminating
power
of
child
at
as
measured
by
Ages
&
Stages
Questionnaires
(ASQ).We
show
more
relevant
than
first
year
(maximum
Q2
=
0.212
0.096
separately
taxa
class
level).
Moreover,
found
Fusobacteriia
associated
high
fine
motor
skills
ASQ
but
become
low
infant
(rank
0.084
-0.047
separately),
suggesting
roles
same
respect
can
be
opposite
two
stages
fetal
neurodevelopment.These
findings
shed
light,
especially
terms
timing,
on
potential
therapeutic
interventions
prevent
neurodevelopmental
disorders.This
work
was
supported
National
Institutes
Health
(grant
numbers:
R01AI141529,
R01HD093761,
RF1AG067744,
UH3OD023268,
U19AI095219,
U01HL089856,
R01HL141826,
K08HL148178,
K01HL146980),
Charles
A.
King
Trust
Postdoctoral
Fellowship.
Brain Behavior and Immunity,
Journal Year:
2023,
Volume and Issue:
116, P. 286 - 302
Published: Dec. 20, 2023
Psychological
stress
is
a
crucial
factor
in
the
development
of
many
skin
diseases,
and
stigma
caused
by
disorders
may
further
increase
psychological
burden,
forming
vicious
cycle
leading
to
diseases.
Therefore,
understanding
relationship
between
diseases
necessary.
The
skin,
as
vital
interface
with
external
environment,
possesses
its
own
complex
immune
system,
neuroendocrine
system
plays
central
role
response
body.
Stress-induced
alterations
can
also
disrupt
delicate
balance
cells
inflammatory
mediators
dysregulation
increased
susceptibility
various
Stress
affect
barrier
function,
impair
wound
healing,
promote
release
pro-inflammatory
cytokines,
thereby
exacerbating
existing
such
psoriasis,
atopic
dermatitis,
acne,
urticaria.
In
present
review,
we
explored
intricate
from
neuroendocrine-immune
interaction
perspective.
We
occurrence
context
stress,
models
for
impact
on
function
relevant
epidemiological
studies
clinical
trials.
Understanding
perspective
provides
comprehensive
framework
targeted
interventions
new
insights
into
diagnosis
treatment
Annals of Translational Medicine,
Journal Year:
2020,
Volume and Issue:
8(15), P. 942 - 942
Published: Aug. 1, 2020
Mental
stress
mainly
induces
depression,
and
predictable
stress,
as
well
a
constant
bombardment
of
chronic
unpredictable
micro-stressors,
always
coexist
in
daily
life.
However,
the
combined
effect
on
depression
is
still
not
fully
understood.The
restraint
(CRS)
to
restrain
mice
for
6
h
per
day
3
weeks,
mild
(CUMS)
stimulate
with
7
different
stressors
weeks.
We
evaluated
CRS
CUMS
depression-like
symptoms
using
behavioral
tests
investigated
action
mechanism
through
analysis
neurotransmitters,
brain-derived
factors,
inflammatory
antioxidants,
intestinal
microorganisms.Our
data
suggested
caused
significant
weight
loss,
food
intake
reduction,
behaviors-including
anhedonia,
learned
helplessness,
reduction
spontaneous
activity-and
even
atrophy
severe
structural
damage
hippocampus
mice.
Our
pathogenesis
study
showed
that
stress-induced
glucocorticoid
receptor
(GR)
levels,
loss
oligodendrocytes
(NG2
Olig2
cells),
inhibition
neuron
proliferation
CA1,
CA3,
DG
regions
hippocampus,
decreased
contents
monoamine
neurotransmitters
(5-HT
NE)
BDNF
cerebral
cortex,
hyperactivity
HPA
system,
led
immune
dysfunction,
aggravated
oxidative
weakened
capacity
antioxidants
Compared
single
gave
rise
more
diversity
change
gut
microbiota.Combined
behaviors,
atrophy,
via
neurotransmitter,
BDNF,
axis,
neurogenesis,
neurodegenerative,
immune,
gut-brain
axis
pathways.
Nutrients,
Journal Year:
2021,
Volume and Issue:
14(1), P. 99 - 99
Published: Dec. 27, 2021
The
number
of
depressed
people
has
increased
worldwide.
Dysfunction
the
gut
microbiota
been
closely
related
to
depression.
mechanism
by
which
jasmine
tea
ameliorates
depression
via
brain-gut-microbiome
(BGM)
axis
remains
unclear.
Here,
effects
on
rats
with
depressive-like
symptoms
microbiome
were
investigated.
We
first
established
a
chronic
unpredictable
mild
stress
(CUMS)
rat
model
induce
depressive
and
measured
changes
in
depression-related
indicators.
Simultaneously,
investigated
16S
rRNA
sequencing.
Jasmine
treatment
improved
behaviors
neurotransmitters
CUMS
rats.
diversity
richness
induced
CUMS.
Spearman's
analysis
showed
correlations
between
differential
(Patescibacteria,
Firmicutes,
Bacteroidetes,
Spirochaetes,
Elusimicrobia,
Proteobacteria)
depressive-related
indicators
(BDNF,
GLP-1,
5-HT
hippocampus
cerebral
cortex).
Combined
correlation
microbiota,
result
indicated
that
could
attenuate
brain-
gut-microbiome
axis.
Nutrients,
Journal Year:
2022,
Volume and Issue:
14(23), P. 5019 - 5019
Published: Nov. 25, 2022
Indole
acetic
acid
(IAA),
an
intestinal
bacteria-derived
tryptophan
metabolite,
has
been
detected
at
abnormal
concentrations
in
the
cerebrospinal
fluid
and
urine
of
depressed
individuals.
The
effects
such
altered
IAA
on
mood
regulation
are
not
known.
A
mouse
model
unpredictable
chronic
mild
stress
(UCMS)
was
used
to
assess
administration
(50
mg/kg).
Treatment
with
for
5
weeks
attenuated
depression
anxiety-like
behaviours,
improved
hypothalamus-pituitary-adrenal
axis
dysfunction
increased
brain-derived
neurotrophic
factor
expression.
supplementation
also
enhanced
serotonin
pathway
brain
gut.
UCMS
caused
imbalance
microbial
indole
metabolites
colon,
whereas
treatment
reversed
this.
However,
intake
did
affect
indoles
brain.
Intestinal
bacteria
different
sections
gut
were
by
treatment,
colon
showing
more
changes
than
other
segments.
microbiome
had
proportions
Ruminococcaceae
UCG013,
Ruminiclostridium
6,
Prevotella,
Alloprevotella
Bacteroides
species,
which
can
produce
short-chain
fatty
acids
derivatives.
Cumulatively,
our
study
highlights
potential
alleviate
disorders
offers
a
theoretical
basis
understanding
antidepressant
IAA.