bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Neurodevelopmental
disorders
result
from
interactions
between
genetic
predisposition
and
environmental
risk
factors,
with
infancy
being
the
most
vulnerable
period.
We
designed
a
longitudinal
study
to
determine
how
short-term
antibiotic
exposure
during
early
postnatal
life
impacts
gut
microbiome,
neurodevelopment,
behavior,
whether
these
alterations
were
exacerbated
by
neurodevelopmental
disorder-associated
16p11.2
microdeletion
(16pDel)
mutation.
The
cephalosporin
antibiotic,
cefdinir,
broadly
altered
microbiome
acutely,
persistent
reductions
in
several
Lachnospiraceae
genera
despite
overall
recovery.
These
preceded
long-term
behavioral
changes,
including
reduced
juvenile
sociability,
compromised
assessment,
deficits
associative
learning.
Remarkably,
only
cefdinir-exposed
16pDel
mice
had
changes
hippocampal
stem
cell
proliferation,
subsequent
adolescent
numbers,
gene
expression
compared
other
groups,
demonstrating
that
can
modulate
effects
of
early-life
on
neurodevelopment.
may
be
mediated
gastrointestinal
disturbances,
as
males
increased
intestinal
permeability
shifted
metabolite
profiles
arginine
biosynthesis
glycerophospholipid
metabolism.
Taken
together,
this
highlights
microbial
affect
behavior
reveals
influences
antibiotic-induced
development.
Further,
insights
identify
metabolic
mechanisms
potential
targets
for
intervention
raise
concerns
regarding
use
infancy.
Abstract
The
human
gastrointestinal
(GI)
tract
harbors
diverse
microbes,
and
the
family
Lachnospiraceae
is
one
of
most
abundant
widely
occurring
bacterial
groups
in
GI
tract.
Beneficial
adverse
effects
on
host
health
were
reported,
but
diversities
at
species/strain
levels
as
well
their
metabolites
have
been,
so
far,
not
documented.
In
present
study,
we
report
collection
77
h
uman‐originated
L
a
ch
nospiraceae
sp
ecies
(please
refer
hLchsp,
https://hgmb.nmdc.cn/subject/lachnospiraceae
)
vitro
metabolite
profiles
110
strains
(
https://hgmb.nmdc.cn/subject/lachnospiraceae/metabolites
).
hLchsp
produced
242
17
categories.
larger
categories
alcohols
(89),
ketones
(35),
pyrazines
(29),
short
(C2–C5),
long
(C
>
5)
chain
acids
(31),
phenols
(14),
aldehydes
other
30
compounds.
Among
them,
22
aromatic
well‐known
beneficial
gut
microbial
metabolite,
butyric
acid,
was
generally
by
many
strains,
Agathobacter
rectalis
strain
Lach‐101
Coprococcus
comes
NSJ‐173
top
2
acid
producers,
331.5
310.9
mg/L
vitro,
respectively.
Further
analysis
publicly
available
cohort‐based
volatile‐metabolomic
data
sets
feces
revealed
that
over
30%
prevailing
volatile
covered
identified
this
study.
This
study
provides
resources
together
with
metabolic
for
future
studies
host–microbe
interactions
developments
novel
probiotics
or
biotherapies.
Gut Microbes,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: June 3, 2024
The
composition
of
the
human
gut
microbiome
has
been
observed
to
change
over
course
an
individual's
life.
From
birth,
it
is
shaped
by
mode
delivery,
diet,
environmental
exposures,
geographic
location,
exposures
medications,
and
aging
itself.
Here,
we
present
a
narrative
review
across
lifespan
with
focus
on
its
impacts
age-related
diseases
in
humans.
We
will
describe
how
shaped,
features
that
have
associated
at
different
phases
life
this
can
adversely
affect
healthy
aging.
Across
lifespan,
especially
old
age,
diverse
includes
organisms
suspected
produce
anti-inflammatory
metabolites
such
as
short-chain
fatty
acids,
reported
be
These
findings
remarkably
consistent
regions
world
suggesting
they
could
universal
all
cultures
genetic
backgrounds.
Exactly
these
biologic
processes
thus
promoting
crucial
targeting
for
interventions
support
health
longevity.
Cell Reports,
Journal Year:
2022,
Volume and Issue:
41(2), P. 111461 - 111461
Published: Oct. 1, 2022
Dysbiosis
of
the
maternal
gut
microbiome
during
pregnancy
is
associated
with
adverse
neurodevelopmental
outcomes.
We
previously
showed
that
high-fat
diet
(MHFD)
in
mice
induces
dysbiosis,
social
dysfunction,
and
underlying
synaptic
plasticity
deficits
male
offspring
(F1).
Here,
we
reason
that,
if
HFD-mediated
changes
microbiota
drive
deficits,
then
MHFD-induced
dysbiosis
F1
female
MHFD
would
likewise
impair
F2
behavior.
Metataxonomic
sequencing
reveals
reduced
microbial
richness
among
offspring.
Despite
recovery
MHFD-descendant
mice,
they
display
dysfunction.
Post-weaning
Limosilactobacillus
reuteri
treatment
increases
abundance
short-chain
fatty
acid-producing
taxa
rescues
deficits.
L.
exerts
a
sexually
dimorphic
impact
on
configuration,
increasing
discriminant
between
cohorts.
Collectively,
these
results
show
multigenerational
impacts
HFD-induced
lineage
highlight
potential
microbiome-targeted
interventions
for
disorders.
Critical Reviews in Food Science and Nutrition,
Journal Year:
2022,
Volume and Issue:
63(26), P. 7945 - 7982
Published: March 30, 2022
Human
milk
is
a
highly
complex
liquid
food
tailor-made
to
match
an
infant's
needs.
Beyond
documented
positive
effects
of
breastfeeding
on
infant
and
maternal
health,
there
increasing
evidence
that
constituents
also
impact
child
neurodevelopment.
Non-nutrient
bioactives
would
contribute
the
(long-term)
development
cognition
behavior,
process
termed
'Lactocrine
Programming'.
In
this
review
we
discuss
current
state
field
human
composition
its
links
with
cognitive
behavioral
development.
To
promote
state-of-the-art
methodologies
designs
facilitate
data
pooling
meta-analytic
endeavors,
present
detailed
recommendations
best
practices
for
future
studies.
Finally,
determine
important
scientific
gaps
need
be
filled
advance
field,
innovative
directions
research.
Unveiling
mechanisms
underlying
between
behavior
will
deepen
our
understanding
broad
functions
food,
as
well
provide
necessary
information
designing
interventions.
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(3), P. 424 - 424
Published: Feb. 20, 2024
Evidence
shows
that
the
gut
microbiome
in
early
life
is
an
essential
modulator
of
physiological
processes
related
to
healthy
brain
development,
as
well
mental
and
neurodegenerative
disorders.
Here,
we
conduct
a
systematic
review
assessments
on
infants
(both
with
conditions
affect
development)
during
first
thousand
days
life,
associated
neurodevelopmental
outcomes,
aim
investigating
key
players
mechanisms
through
which
affects
brain.
Bacteroides
Bifidobacterium
were
non-social
fear
behavior,
duration
orientation,
cognitive
motricity
neurotypical
development.
Lachnospiraceae,
Streptococcus,
Faecalibacterium
showed
variable
levels
influence
behavior
Few
studies
described
mechanistic
insights
NAD
salvage,
aspartate
asparagine
biosynthesis,
methanogenesis,
pathways
involved
bile
acid
transformation,
short-chain
fatty
acids
production,
microbial
virulence
genes.
Further
associating
species
gene
robustness
data
analysis
integration
are
required
elucidate
functional
underlying
role
microbiome–gut–brain
axis
Life,
Journal Year:
2023,
Volume and Issue:
13(6), P. 1280 - 1280
Published: May 30, 2023
(1)
Background:
Chronic
spontaneous
urticaria
(CSU)
has
been
linked
to
the
dysbiosis
of
gut
microbiota.
Furthermore,
various
studies
have
highlighted
anti-inflammatory
properties
short-chain
fatty
acids
(SCFAs),
whose
production
is
primarily
regulated
by
However,
only
a
few
investigated
role
major
SCFA
producers,
such
as
Gut Microbes,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: Feb. 1, 2023
The
intimate
association
between
the
gut
microbiota
(GM)
and
central
nervous
system
points
to
potential
intervention
strategies
for
neurological
diseases.
Nevertheless,
there
is
currently
no
theoretical
framework
selecting
window
period
target
bacteria
GM
interventions
owing
complexity
of
microecosystem.
In
this
study,
we
constructed
a
complex
network-based
modeling
approach
evaluate
topological
features
infer
bacterial
candidates
interventions.
We
used
Alzheimer's
disease
(AD)
as
an
example
traced
dynamic
changes
in
AD
wild-type
mice
at
one,
two,
three,
six,
nine
months
age.
results
revealed
alterations
from
scale-free
network
into
random
during
progression,
indicating
severe
disequilibrium
late
stage
AD.
Through
stability
vulnerability
assessments
networks,
identified
third
month
after
birth
optimal
mice.
Further
computational
simulations
robustness
evaluations
determined
that
hub
were
Moreover,
our
functional
analysis
suggested
Lachnospiraceae
UCG-001
–
enriched
bacterium
was
keystone
its
contributions
quinolinic
acid
synthesis.
conclusion,
study
established
practical
strategy
perspective
International Immunopharmacology,
Journal Year:
2024,
Volume and Issue:
140, P. 112846 - 112846
Published: Aug. 8, 2024
Ulcerative
colitis
(UC)
is
a
chronic
inflammatory
condition
with
recurrent
and
challenging
symptoms.
Effective
treatments
are
lacking,
making
UC
management
critical
research
area.
Morin
(MO),
flavonoid
from
the
Moraceae
family,
shows
potential
as
an
anti-UC
agent,
but
its
mechanisms
not
fully
understood.
Using
dextran
sulfate
sodium
(DSS)-induced
mouse
model,
we
employed
network
pharmacology
to
predict
MO's
therapeutic
effects.
Assessments
included
changes
in
body
weight,
disease
activity
index
(DAI),
colon
length.
Immunofluorescence,
hematoxylin
eosin
(H&E),
PAS
staining
evaluated
damage.
ELISA
western
blot
analyzed
factors,
tight
junction
(TJ)-associated
proteins
(Claudin-3,
Occludin,
ZO-1),
Mitogen-Activated
Protein
Kinase
(MAPK)/
Nuclear
Factor
kappa
B
(NF-κB)
pathways.
16S
rRNA
sequencing
assessed
gut
microbiota
diversity,
confirmed
by
modulation
via
Fecal
Microbial
Transplantation
(FMT).
Early
MO
intervention
reduced
severity
improving
DAI
scores,
length,
increasing
goblet
cells,
enhancing
barrier
function,
inhibiting
MAPK/NF-κB
enriched
microbiota,
favoring
beneficial
bacteria
like
Muribaculaceae
Erysipelotrichaceae
while
reducing
harmful
Muribaculaceae.
This
study
highlights
through
inflammation
control,
mucosal
integrity
maintenance,
flora
modulation.