Human milk oligosaccharide secretion dynamics during breastfeeding and its antimicrobial role: A systematic review
World Journal of Clinical Pediatrics,
Journal Year:
2025,
Volume and Issue:
14(2)
Published: March 18, 2025
BACKGROUND
Human
milk
oligosaccharides
(HMOs)
are
bioactive
components
of
breast
with
diverse
health
benefits,
including
shaping
the
gut
microbiota,
modulating
immune
system,
and
protecting
against
infections.
HMOs
exhibit
dynamic
secretion
patterns
during
lactation,
influenced
by
maternal
genetics
environmental
factors.
Their
direct
indirect
antimicrobial
properties
have
garnered
significant
research
interest.
However,
a
comprehensive
understanding
dynamics
their
correlation
efficacy
remains
underexplored.
AIM
To
synthesize
current
evidence
on
lactation
evaluate
roles
bacterial,
viral,
protozoal
pathogens.
METHODS
A
systematic
search
PubMed,
Scopus,
Web
Science,
Cochrane
Library
focused
studies
investigating
natural
synthetic
HMOs,
dynamics,
properties.
Studies
involving
human,
animal,
in
vitro
models
were
included.
Data
HMO
composition,
temporal
patterns,
mechanisms
action
extracted.
Quality
assessment
was
performed
using
validated
tools
appropriate
for
study
design.
RESULTS
total
44
included,
encompassing
research.
exhibited
2′-fucosyllactose
(2′-FL)
lacto-N-tetraose
peaking
early
declining
over
time,
while
3-fucosyllactose
(3-FL)
increased
later
stages.
demonstrated
through
pathogen
adhesion
inhibition,
biofilm
disruption,
enzymatic
activity
impairment.
Synthetic
bioengineered
2′-FL
3-FL,
structurally
functionally
comparable
to
effectively
inhibiting
pathogens
such
as
Pseudomonas
aeruginosa
,
Escherichia
coli
Campylobacter
jejuni
.
Additionally,
synergistic
effects
antibiotics,
enhancing
resistant
CONCLUSION
vital
defense,
supporting
infant
targeting
various
Both
hold
potential
therapeutic
applications,
particularly
nutrition
adjuncts
antibiotics.
Further
research,
clinical
trials,
is
essential
address
gaps
knowledge,
validate
findings,
explore
broader
applicability
improving
neonatal
health.
Language: Английский
Genetic Diversity in the Fusion Gene of Respiratory Syncytial Virus (RSV) Isolated From Iraqi Patients: A First Report
Advances in Virology,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Molecular
evaluation
of
the
respiratory
syncytial
virus
(RSV)
genome
is
one
common
strategies
applied
to
understand
viral
pathogenicity
and
control
its
spreading.
In
this
study,
we
carried
out
molecular
on
targeted
fusion
(F)
gene
region
in
RSV‐positive
samples
Iraqi
patients
during
autumn
winter
2022/2023.
One
hundred
fifty
with
lower
tract
infections
were
screened
for
RSV
using
reverse
transcription‐quantitative
polymerase
chain
reaction
(RT‐qPCR).
Sanger
sequencing
was
performed
targeting
1061
nucleotides
(from
nucleotide
6168
7228
within
genome)
1000
6122
7121
F
RSV‐A
RSV‐B,
respectively.
The
results
showed
some
changes
gene,
which
grouped
distinct
clade,
closely
related
isolates
from
Austria,
Argentine,
Finland,
France
through
phylogenetic
analysis.
silico
protein
modeling
SWISS‐MODEL
I‐TASSER
web
tools
based
nonsynonymous
amino
acid
sequence
good‐predicted
models
that
can
be
utilized
antiviral
screening.
summary,
identified
variations
could
influence
vaccine
development
as
primary
target
major
antigen
RSV.
surveillance
data
local
are
also
essential
studying
new
genomic
enable
prediction
potential
agents.
Language: Английский
Human milk oligosaccharide profiles remain unaffected by maternal pre-pregnancy body mass index in an observational study
Frontiers in Nutrition,
Journal Year:
2024,
Volume and Issue:
11
Published: Oct. 16, 2024
Human
milk
oligosaccharides
(HMOs)
are
important
carbohydrates
in
human
that
infants
cannot
digest,
acting
as
prebiotics
linked
to
infant
health.
The
risk
of
childhood
obesity
increases
with
maternal
obesity,
potentially
mediated
through
the
gut
microbiota
affected
by
available
HMOs.
Studies
on
whether
affects
HMO
abundance,
yield
conflicting
results.
This
study
aimed
investigate
profile
and
its
association
measured
pre-pregnancy
body
mass
index
(BMI)
anthropometrics.
results
were
discussed
context
existing
literature.
90
samples
collected
at
3
months
postpartum
from
mothers
three
BMI-groups:
32
normal
weight
(BMI:
18.5–24.99
kg/m
2
),
34
overweight
25–30
24
obese
(BMI
>
30
).
analyzed
using
nano
liquid
chromatography
chip
quadrupole
time-of-flight
spectrometry
yielding
51
structures
isomers.
Their
peak
areas
integrated
normalized
determine
relative
abundances.
Univariate
multivariate
analysis
showed
associations
between
abundance
donors’
secretor
status
specific
anthropometric
variables,
but
not
BMI.
does
support
hypothesis
influences
highlights
importance
reporting
despite
absence
significant
correlations.
Language: Английский
Machine Learning Prediction of Intestinal α-Glucosidase Inhibitors Using a Diverse Set of Ligands: A Drug Repurposing Effort with DrugBank Database Screening
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 18, 2024
Abstract
The
global
rise
in
diabetes
mellitus
(DM)
poses
a
significant
health
challenge,
necessitating
effective
therapeutic
interventions.
α-Glucosidase
inhibitors
play
crucial
role
managing
postprandial
hyperglycemia
and
reducing
the
risk
of
complications
Type
2
DM.
Quantitative
Structure-Activity
Relationship
(QSAR)
modeling
is
critical
computational
drug
discovery.
However,
many
QSAR
studies
on
α-glucosidase
often
rely
limited
compound
series
statistical
methods,
restricting
their
applicability
across
wide
chemical
space.
Integrating
machine
learning
(ML)
into
offers
promising
avenue
for
discovering
novel
compounds
by
handling
complex
information
from
diverse
sets.
Our
study
aimed
to
develop
robust
predictive
models
using
dataset
1082
with
known
activity
against
intestinal
(maltase-glucoamylase).
After
thorough
data
preparation,
we
employed
626
train
ML
models,
generating
different
training
three
distinct
molecular
representations:
2D-descriptors,
3D-descriptors,
Extended-connectivity-fingerprint
(ECFP4).
These
trained
random
forest
support
vector
algorithms,
underwent
rigorous
evaluation
established
metrics.
Subsequently,
best-performing
model
was
utilized
screen
Drugbank
database,
identifying
potential
inhibitor
drugs.
Drug
repurposing,
an
expedited
strategy
new
uses
existing
drugs,
holds
immense
this
regard.
Molecular
docking
dynamics
simulations
further
corroborated
our
predictions.
results
indicate
that
2D
descriptors
ECFP4
representations
outperform
3D
descriptors.
Furthermore,
candidates
identified
DrugBank
screening
exhibited
binding
interactions
α-glucosidase,
corroborating
predictions
supporting
repurposing.
Language: Английский