Supervised Modelling of Longitudinal Human Milk and Infant Gut Microbiome Reveal Maternal Pre-Pregnancy BMI and Early Life Growth Interactions
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Март 31, 2025
Abstract
Maternal
obesity
is
a
key
risk
factor
for
excessive
foetal
growth
and
childhood
obesity,
yet
its
influence
on
human
milk
(HM)
composition
the
infant
gut
microbiome
development
remains
unclear.
This
study
examined
169
mother-infant
dyads
analyzing
570
HM
metabolome,
495
microbiome,
348
faecal
samples
over
three
months
of
exclusive
breastfeeding,
alongside
anthropometric
data
through
years
postpartum.
While
BMI
was
not
directly
correlated
with
(weight-for-length/height
z-score),
N-way
Partial
Least
Squares
modelling
revealed
microbial
metabolite
signatures
linked
to
maternal
ppBMI
growth.
High
were
associated
altered
oligosaccharides
enrichment
Bifidobacterium
spp.
in
gut.
In
contrast,
elevated
simple
sugars,
amino
acid
derivatives,
Klebsiella
Escherichia
relative
abundance
slower
These
findings
highlight
maternal-infant
nutritional
dynamics,
informing
targeted
strategies
support
Язык: Английский
Postpartum Maternal Stress is Unrelated to the Infant Fecal Microbiome, but is Associated With the Human Milk Microbiome in Exclusively Breastfeeding Mother‐Infant Dyads: The Mother‐Infant Microbiomes, Behavior, and Ecology Study (MIMBES)
American Journal of Human Biology,
Год журнала:
2025,
Номер
37(5)
Опубликована: Май 1, 2025
ABSTRACT
Objectives
This
study
aimed
to
evaluate
whether
postpartum
maternal
stress
is
associated
with
infant
gastrointestinal
microbiome
composition
and
diversity,
this
relationship
may
be
mediated
by
caregiving
breastfeeding
behaviors
human
milk
(HMM)
composition.
Methods
Infant
fecal
samples
were
collected
from
51
exclusively
mother‐infant
dyads
in
the
Pacific
Northwest
between
1
6
months
postpartum.
sequencing
read
counts
>
773
(
n
=
48)
200
46)
analyzed
for
bacterial
alpha
diversity
(richness,
Shannon
diversity),
beta
(Bray–Curtis
dissimilarity),
genera
differential
abundances.
(IFM)
measures
tested
associations
mothers'
self‐reported
Parenting
Stress
Index
total
subscale
scores
regression
envfit
(beta
MaAsLin2
(genera
abundance)
models.
Potential
mediators
of
IFM
explored
(observed
time
breastfeeding;
maternal–infant
physical
contact
frequency;
HMM
abundance).
Results
Maternal
was
not
or
diversities.
Two
subscales
abundances
Erysipelotrichaceae
UCG‐003
(positively)
Eggerthella
(negatively)
feces.
two
(Role
Restriction,
Attachment)
positively
(q
attachment
0.07)
negatively
richness
0.08,
q
role
0.03).
Conclusions
Postpartum
consistently
during
exclusive
breastfeeding.
However,
suggesting
that
might
influence
other
developmental
pathways
infant.
Язык: Английский