Frontiers in Cellular Neuroscience,
Год журнала:
2022,
Номер
16
Опубликована: Окт. 3, 2022
Oxytocin
(OXT)
is
a
neuropeptide
that
has
been
associated
with
neurological
diseases
like
autism,
strong
regulating
activity
on
anxiety
and
stress-related
behavior,
physiological
effects
during
pregnancy
parenting,
various
cellular
in
neoplastic
tissue.
In
this
study,
we
aimed
to
unravel
the
underlying
mechanism
OXT
employs
regulate
cell-cell
contacts,
spheroid
formation,
migration
3D
culture
model
of
human
MLS-402
cells.
We
have
generated
labeled
receptor
(OXTR)
overexpressing
cell
line
cultivated
spheroids
were
treated
OXTR
agonists
OXT,
Atosiban,
Thr4-Gly7-oxytocin
(TGOT);
or
without
pre-treatment
antisense
oligos
(Gapmers)
induce
exon
skipping
gene.
This
leads
exclusion
4
therefore
lost
its
intracellular
G-protein-binding
domain.
Sensitive
digital
PCR
(dPCR)
provided
us
means
differentiate
between
wild
type
truncated
our
model.
truncation
differentially
activated
signaling
cascades
related
attachment
proliferation
Akt,
ERK1/2-RSK1/2,
HSP27,
STAT1/5,
CREB,
as
assessed
by
Kinase
Profiler
Assay.
Digital
transmission
electron
microscopy
revealed
increased
tight
junction
formation
well-organized
protrusions
into
an
enlarged
extracellular
space
after
treatment,
resulting
survival.
summary,
decreases
but
increases
contacts
improves
nutrient
supply.
These
data
reveal
novel
effect
might
implications
for
degenerating
CNS
tumor
tissues.
Molecular Psychiatry,
Год журнала:
2022,
Номер
28(1), С. 127 - 140
Опубликована: Авг. 23, 2022
Oxytocin,
a
neuropeptide
known
for
its
role
in
reproduction
and
socioemotional
processes,
may
hold
promise
as
therapeutic
agent
treating
social
impairments
patient
populations.
However,
research
has
yet
to
uncover
precisely
how
manipulate
this
system
clinical
benefit.
Moreover,
inconsistent
use
of
standardized
validated
oxytocin
measurement
methodologies-including
the
design
study
hormone
secretion
biochemical
assays-present
unresolved
challenges.
Human
studies
measuring
peripheral
(i.e.,
plasma,
saliva,
or
urine)
central
cerebrospinal
fluid)
concentrations
have
involved
very
diverse
methods,
including
different
assay
techniques,
further
compounding
problem.
In
present
review,
we
describe
scientific
value
human
endogenous
concentrations,
common
issues
analysis
that
researchers
face
when
doing
so,
our
recommendations
improving
using
valid
reliable
methodologies.
Chemical Science,
Год журнала:
2023,
Номер
14(32), С. 8651 - 8661
Опубликована: Янв. 1, 2023
Identifying
ligands
targeting
G
protein
coupled
receptors
(GPCRs)
with
novel
chemotypes
other
than
the
physiological
is
a
challenge
for
in
silico
screening
campaigns.
Here
we
present
an
approach
that
identifies
chemotype
by
combining
structural
data
random
forest
agonist/antagonist
classifier
and
signal-transduction
kinetic
model.
As
test
case,
apply
this
to
identify
antagonists
of
human
adenosine
transmembrane
receptor
type
2A,
attractive
target
against
Parkinson's
disease
cancer.
The
identified
were
tested
here
radio
ligand
binding
assay.
Among
those,
found
promising
whose
differs
significantly
from
all
so-far
reported
antagonists,
affinity
310
±
23.4
nM.
Thus,
our
protocol
emerges
as
powerful
candidates
while
preserving
antagonistic
potential
nanomolar
range.
World Journal of Clinical Pediatrics,
Год журнала:
2024,
Номер
13(3)
Опубликована: Авг. 29, 2024
Autism
spectrum
disorder
(ASD)
is
a
complex
neurodevelopmental
condition
characterized
by
heterogeneous
symptoms
and
genetic
underpinnings.
Recent
advancements
in
epigenetic
research
have
provided
insights
into
the
intricate
mechanisms
contributing
to
ASD,
influencing
both
diagnosis
therapeutic
strategies.
BMC Molecular and Cell Biology,
Год журнала:
2025,
Номер
26(1)
Опубликована: Янв. 6, 2025
Abstract
Background
Oxytocin
function
is
associated
with
a
range
of
human
traits
and
often
indexed
by
common
polymorphisms
the
receptor
gene
OXTR.
Little
known
however
about
functional
significance
these
polymorphisms.
Objectives
To
examine
effects
OXTR
on
transcription
expression
in
neural
cells.
Method
The
impact
four
SNPs
(rs1042778,
rs4686302,
rs2254298
rs237887)
were
tested
neuroblastoma
cell
line,
SH-SY5Y,
commonly
used
line
for
neurological
disease.
chosen
as
having
robust
evidence
associations
complex
after
consideration
linkage
patterns
across
Results
level
GG
genotype
rs1042778
was
significantly
lower
than
TT
genotypes.
None
other
related
to
transcription.
Conclusions
showing
are
not
reliably
changes
Increasing
cooperation
between
behavioral
biological
scientists
needed
bridge
gap
trait
studies
improve
our
understanding
oxytocin
important
mammalian
neuroendocrine
processes.
Journal of Chemical Information and Modeling,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 18, 2025
Here,
we
introduce
the
Structural
Systems
Biology
(SSB)
toolkit,
a
Python
library
that
integrates
structural
macromolecular
data
with
systems
biology
simulations
to
model
signal-transduction
pathways
of
G-protein-coupled
receptors
(GPCRs).
Our
framework
streamlines
simulation
and
analysis
mathematical
models
GPCRs
cellular
pathways,
facilitating
exploration
kinetics
induced
by
ligand-GPCR
interactions:
dose-response
ligand
can
be
modeled,
along
corresponding
change
in
concentration
other
signaling
molecular
species
over
time,
like
for
instance
[Ca2+]
or
[cAMP].
SSB
toolkit
brings
light
possibility
easily
investigating
subcellular
effects
binding
on
receptor
activation,
even
presence
genetic
mutations,
thereby
enhancing
our
understanding
intricate
relationship
between
ligand-target
interactions
at
level
higher-level
(patho)physiological
response
mechanisms.
Psychoneuroendocrinology,
Год журнала:
2022,
Номер
149, С. 106004 - 106004
Опубликована: Дек. 16, 2022
BTBR
T+
Itpr3tf/J
(BTBR)
mice
display
several
behavioral
characteristics,
including
social
deficits
resembling
the
core
symptoms
of
human
autism.
Atypical
behaviors
include
sequential
processes
assembled
cognitive-behavior
components,
such
as
recognition,
investigatory
assessment,
and
signaling
response.
This
study
aimed
to
elucidate
neural
circuits
responsible
for
regulation
response,
shown
by
scent
marking
behavior
in
male
mice.
We
first
assessed
recognition
patterns
compared
those
C57BL/6
J
(B6)
Next,
we
examined
their
scent-marking
innate
responses
adjusted
a
confronted
feature
stimuli
situations,
along
with
expression
c-Fos
marker
neuronal
activity
selected
brain
areas
involved
behavior.
The
function
targeted
area
was
confirmed
chemogenetic
manipulation.
also
peptides,
oxytocin
vasopressin
neurons
major
regions
that
are
associated
Our
data
indicate
less
responsive
presentation
responses,
which
is
paralleled
blunted
responsivity
morphological
changes
areas,
posterior
bed
nucleus
stria
terminalis
(pBnST)
lateral
habenula
(LHb)
Further
investigation
LHb
revealed
inhibition
activation
can
induce
change
both
B6
elucidation
downstream
controlling
indicates
intact
altered
characteristics
paraventricular
hypothalamus
vasopressin-positive
axonal
projections
pBnST
appear
underlie
dysfunction
(300/300
words).