Glucagon-like peptide-1 receptor signaling activation in alveolar type II cells enhances lung development in neonatal rats exposed to hyperoxia
Redox Biology,
Journal Year:
2025,
Volume and Issue:
82, P. 103586 - 103586
Published: March 6, 2025
Many
studies
have
reported
the
important
role
of
glucagon-like
peptide-1
receptor
(GLP-1R)
in
regulating
glucose
homeostasis.
However,
addition
to
pancreas,
GLP-1R
is
distributed
organs
such
as
lungs.
A
few
researches
mechanism
action
acute
and
chronic
lung
diseases.
Nevertheless,
its
effect
on
development
remains
unclear.
In
this
research,
we
aimed
explore
potential
mechanisms
vivo
vitro
bronchopulmonary
dysplasia
(BPD)
models.
Neonatal
Sprague-Dawley
rats
were
divided
into
hyperoxia
(FIO2
=
0.85)
control
0.21)
groups.
Lung
tissues
extracted
at
3,
7,
10,
14
postnatal
days
subjected
hematoxylin
eosin
staining
for
histopathological
morphological
observation.
Single-cell
RNA
sequencing
was
performed
development.
Western
blotting
conducted
assess
expression
GLP-1R,
dynamin-related
protein
1
(DRP1),
glycolysis-associated
enzymes,
including
phosphofructokinase
(PFKM),
hexokinase
2
(HK2),
lactate
dehydrogenase
(LDHA),
tissues,
primary
alveolar
type
II
(ATII)
cells,
RLE-6TN
cells.
Double
immunofluorescence
confirm
co-localization
DRP1,
ATII
Seahorse
XF96
metabolic
extracellular
flux
analyzer
used
perform
real-time
analyses
acidification
rate
oxygen
consumption
cells
isolated
from
The
adenosine
triphosphate
(ATP)
concentrations
measured
using
an
ATP
kit.
Mitochondria
stained
with
MitoTracker
observed
HiS-SIM.
gene
levels
tested
RT-qPCR.
We
MeRIP-qPCR
determine
m6A
modification
level
mRNA
reporter
verify
site
key
methyltransferases.
that
signaling
regulates
plays
a
particularly
after
birth.
Hyperoxia
inhibits
accelerates
BPD
production
decreased
glycolysis
increased
under
hyperoxia.
Activation
promotes
downregulates
by
DRP1
induced
mitochondria
fission.
verified
decreased;
primarily
methyltransferase-like
(METTL14).
expressed
neonatal
can
promote
during
early
period.
pathway
modulates
mitochondrial
fission
metabolism
inhibit
activation
inhibiting
methylation
pathogenesis.
Language: Английский
Evaluation of the Copy Number Variants and Single-Nucleotide Polymorphisms of ABCA3 in Newborns with Respiratory Distress Syndrome—A Pilot Study
Medicina,
Journal Year:
2024,
Volume and Issue:
60(3), P. 419 - 419
Published: Feb. 29, 2024
Background
and
Objectives:
Respiratory
distress
syndrome
(RDS)
in
preterm
infants
commonly
occurs
due
to
the
immaturity-related
deficiency
of
pulmonary
surfactant.
Beyond
prematurity,
various
environmental
genetic
factors
can
influence
onset
progression
RDS.
This
study
aimed
analyze
three
single-nucleotide
polymorphisms
(SNPs)
ABCA3
gene
assess
as
a
candidate
for
susceptibility
RDS
overall
survival
newborns
evaluate
utility
MLPA
neonatal
patients.
Materials
Methods:
Three
SNPs
were
chosen
genotyped
cohort
304
newborns.
Data
analysis
statistical
tests
employed
examine
allele
frequencies,
haplotypes,
measures
pairwise
linkage
disequilibrium.
Results:
There
was
no
observed
haplotype
association
with
rs13332514
(c.1059G>A)
rs170447
(c.1741+33T>C)
among
newborns,
both
without
(p
>
0.05).
The
minor
C
frequency
rs323043
(c.1755G>C)
SNP
showed
significant
increase
results
indicated
that
predominant
findings
normal,
revealing
CNVs
genes
SFTPC
investigated
our
Conclusions:
presence
variant
may
be
risk
factor
premature
Language: Английский
ABCA3 c.838C>T (p.Arg280Cys, R280C) and c.697C>T (p.Gln233Ter, Q233X, Q233*) as Causative Variants for RDS: a Review of the Literature and Family Case Study
Published: Aug. 20, 2024
Background.
Respiratory
distress
syndrome
(RDS)
is
the
primary
cause
of
respiratory
failure
in
preterm
infants,
but
it
also
affects
5-7%
term
infants.
Dysfunctions
pulmonary
surfactant
metabolism,
resulting
from
mutations
lung
genes,
are
rare
diseases,
ranging
fatal
neonatal
RDS
to
interstitial
disease,
associated
with
increased
morbidity
and
mortality.
This
study
aims
clarify
clinical
significance
ABCA3
variants
found
a
specific
family
case,
as
existing
data
literature
inconsistent.
Material
methods:
A
case
report
was
conducted;
targeted
panel
genetic
testing
identified
variant
SFTPB
gene
two
genes.
Comprehensive
research
involving
systematic
review
PubMed,
Google
Scholar
databases,
genome
browsers
used
pathogenicity
index
patient.
Advanced
prediction
tools
were
employed
assess
variants,
ensuring
validity
reliability
our
findings.
Results:
The
exhibited
RDS.
Genetic
revealed
presence
p.Val267Ile
variant,
not
previously
reported,
benign
based
on
history.
Additionally,
identified:
c.697C>T,
yet
c.838C>T.
These
affect
protein
function
likely
Prediction
nine
other
cases
supported
this
conclusion.
Conclusions:
Based
silico
predictors,
analysis
presented
family,
described
literature,
reasonable
consider
reclassifying
pathogenic/pathogenic.
Reclassification
will
improve
counseling
accuracy
facilitate
correct
diagnosis.
Language: Английский
Low Prognostic Nutritional Index (PNI) Level is Associated with an Increased Risk of Neonatal Respiratory Distress Syndrome in Preterm Infants with Different Gestational Ages: A Retrospective Study
Liudan Huang,
No information about this author
Xuexin Chen,
No information about this author
Yuhua Zhang
No information about this author
et al.
International Journal of General Medicine,
Journal Year:
2024,
Volume and Issue:
Volume 17, P. 5219 - 5231
Published: Nov. 1, 2024
Neonatal
respiratory
distress
syndrome
(NRDS)
is
common
in
preterm
infants.
Prognostic
nutritional
index
(PNI)((albumin
(g/L)+(5×total
lymphocyte
count
(10
Language: Английский
ABCA3 c.838C>T (p.Arg280Cys, R280C) and c.697C>T (p.Gln233Ter, Q233X, Q233*) as Causative Variants for RDS: A Family Case Study and Literature Review
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(10), P. 2390 - 2390
Published: Oct. 18, 2024
Respiratory
distress
syndrome
(RDS)
is
the
primary
cause
of
respiratory
failure
in
preterm
infants,
but
it
also
affects
5-7%
term
infants.
Dysfunctions
pulmonary
surfactant
metabolism,
resulting
from
mutations
lung
genes,
are
rare
diseases,
ranging
fatal
neonatal
RDS
to
interstitial
disease,
associated
with
increased
morbidity
and
mortality.
This
study
aims
clarify
clinical
significance
ABCA3
variants
found
a
specific
family
case,
as
existing
data
literature
inconsistent.
Language: Английский