Advances in molecular oncology,
Journal Year:
2025,
Volume and Issue:
12(1), P. 67 - 75
Published: April 15, 2025
Introduction.
Claudin
5
is
belongs
to
a
family
of
transmembrane
proteins
mediating
formation
tight
junctions
between
cells,
maintenance
cell
polarity
in
epithelial
and
endothelial
layers,
regulation
membrane
permeability,
control
signal
transduction
inside
the
cells.
Results
small
number
studies
show
that
vascular
growth
factor
(VEGF)
also
affects
junctions,
particular
through
claudin
expression.
In
addition
their
physiological
functions,
VEGF
play
an
important
role
pathogenesis
various
diseases
including
malignant
neoplasms.
Aim.
To
study
levels
serum
patients
with
ovarian
cancer
evaluate
clinical
significance.
Materials
methods.
total,
123
(median
age
54
years)
32
group
healthy
women
were
examined.
measured
prior
treatment
using
Human
CLDN5
(Claudin
5)
ELISA
Kit
(Elabscience,
China)
Immunoassay
(Quantikine®,
R&D
Systems,
uSA)
accordance
manufacturer’s
instructions.
Statistical
analysis
obtained
data
was
performed
GraphPad
Prizm
v.
10
software.
The
values
compared
correlations
quantified
nonparametric
Mann–Whitney,
Kruskal–Wallis
tests
Spearman’s
rank
correlation
coefficient.
Overall
survival
analyzed
Kaplan–Meier
method.
Results.
found
97
%
94
women.
Median
(1st
quartile
(Q1)
–
3rd
(Q3))
level
0.77
(0.48–1.17)
ng/mL,
0.95
(0.43–1.77)
mg/mL.
ROC
informational
value
showed
unsatisfactory
diagnostic
accuracy
model
(area
under
curve
(AuC)
0.613
(95
confidence
interval
(CI)
0.513–0.713);
p
=
0.049):
for
median
threshold
ng/mL
assay
had
sensitivity
50
specificity
60
%.
all
women;
(Q1–Q3)
45.6
(13.3–89.09)
pg/mL
statistically
significantly
lower
than
cancer:
274.7
(199.0–472.5).
good
(AuC
0.942
CI
0.886–0.997);
<0.0001)
which
allows
use
as
criterion.
best
results
(71
100
%,
respectively)
at
226.2
pg/mL.
Serum
are
associated
progression.
However,
not
significant
prognostic
markers
this
disease.
Conclusion.
higher
positively
correlate
each
other.
Additionally,
has
relatively
characteristics
group.
presence
distant
metastases
points
potential
tumor
research
stage,
these
cannot
be
recommended
or
criteria
require
further
study.
Fluids and Barriers of the CNS,
Journal Year:
2025,
Volume and Issue:
22(1)
Published: April 2, 2025
Emerging
evidence
suggests
that
chronic
stress
compromises
blood‒brain
barrier
(BBB)
integrity
by
disrupting
brain
microvascular
endothelial
cells
(BMECs),
contributing
to
the
development
of
cognitive
impairments.
Thus,
targeting
BBB
is
expected
be
a
promising
treatment
strategy.
The
biological
function
rutin
has
been
investigated
in
neurological
disorders;
however,
its
regulatory
role
stress-induced
damage
and
decline
underlying
mechanisms
remain
elusive.
In
unpredictable
mild
(CUMS)
mouse
model,
fluorescent
dye
assay
behavioral
tests,
including
novel
object
recognition
test
Morris
water
maze,
were
performed
evaluate
protective
effects
on
cognition.
BMEC
also
hCMEC/D3
(a
human
cell
line)
vitro.
Furthermore,
molecular
which
restores
endothelium
dysfunction
explored
via
RNA-seq,
quantitative
real-time
PCR,
western
blotting,
immunofluorescence
chromatin
immunoprecipitation.
Finally,
biotinylated
tumor
necrosis
factor-α
(TNF-α)
was
employed
influence
ability
circulating
TNF-α
cross
BBB.
We
identified
attenuated
hyperpermeability
impairment
caused
8-week
CUMS
procedure.
Moreover,
promoted
proliferation,
migration
angiogenesis
BMECs,
cellular
monolayer
through
positively
regulating
expression
genes
involved.
impeded
histone
deacetylase
1
(HDAC1)
recruitment
stabilized
H3K27ac
increase
Claudin-5
protein
levels.
Ultimately,
normalization
hippocampal
HDAC1‒Claudin-5
axis
blocked
infiltration
into
parenchyma
alleviated
neuroinflammation.
This
work
establishes
integrity,
reveals
potential
drug
candidate
for
curing
deficits.
Frontiers in Physiology,
Journal Year:
2025,
Volume and Issue:
16
Published: April 7, 2025
Water
scarcity
and
rising
global
temperatures
are
two
of
the
greatest
current
future
threats
to
poultry
sustainability.
Therefore,
selection
for
water
efficiency
(WE)
heat
resilience
vital
importance.
Additionally,
intestinal
integrity
is
critical
importance
under
challenging
conditions
maintain
nutrient
absorption
therefore,
growth
performance
broilers.
Here,
we
examined
effect
chronic
cyclic
stress
(HS)
on
ileal
expression
profile
tight-junction,
gap-junction,
adherens,
desmosome
genes
in
fourth
generation
divergently
selected
low
(LWE)-
high
efficient
(HWE)-chicken
lines.
LWE
birds
exhibited
higher
levels
gut
permeability,
regardless
temperature,
as
measured
by
fluorescein
isothiocyanate-dextran
(FITC-D).
Among
claudins
(CLDN),
Cldn1
showed
greater
HWE
compared
LWE,
temperature.
Cldn5,
-16,
-20,
-34
were
all
lower
during
HS.
Conversely,
Cldn25
was
decreased
but
increased
Cldn4
line
Cingulin
(Cgn)
gene
HS
thermoneutral
(TN)
condition.
Gap
junction
protein
α1
(Gja1)
desmoglein
4
(Dsg4)
LWE.
Cadherin
1
(Cdh1)
TN
lowest
HS,
whereas
catenin
α2
(Ctnna2)
desmocollin
(Dsc1)
highest
other
groups.
This
differential
key
associated
with
barrier
likely
contributes
phenotype
response
these
Advances in molecular oncology,
Journal Year:
2025,
Volume and Issue:
12(1), P. 67 - 75
Published: April 15, 2025
Introduction.
Claudin
5
is
belongs
to
a
family
of
transmembrane
proteins
mediating
formation
tight
junctions
between
cells,
maintenance
cell
polarity
in
epithelial
and
endothelial
layers,
regulation
membrane
permeability,
control
signal
transduction
inside
the
cells.
Results
small
number
studies
show
that
vascular
growth
factor
(VEGF)
also
affects
junctions,
particular
through
claudin
expression.
In
addition
their
physiological
functions,
VEGF
play
an
important
role
pathogenesis
various
diseases
including
malignant
neoplasms.
Aim.
To
study
levels
serum
patients
with
ovarian
cancer
evaluate
clinical
significance.
Materials
methods.
total,
123
(median
age
54
years)
32
group
healthy
women
were
examined.
measured
prior
treatment
using
Human
CLDN5
(Claudin
5)
ELISA
Kit
(Elabscience,
China)
Immunoassay
(Quantikine®,
R&D
Systems,
uSA)
accordance
manufacturer’s
instructions.
Statistical
analysis
obtained
data
was
performed
GraphPad
Prizm
v.
10
software.
The
values
compared
correlations
quantified
nonparametric
Mann–Whitney,
Kruskal–Wallis
tests
Spearman’s
rank
correlation
coefficient.
Overall
survival
analyzed
Kaplan–Meier
method.
Results.
found
97
%
94
women.
Median
(1st
quartile
(Q1)
–
3rd
(Q3))
level
0.77
(0.48–1.17)
ng/mL,
0.95
(0.43–1.77)
mg/mL.
ROC
informational
value
showed
unsatisfactory
diagnostic
accuracy
model
(area
under
curve
(AuC)
0.613
(95
confidence
interval
(CI)
0.513–0.713);
p
=
0.049):
for
median
threshold
ng/mL
assay
had
sensitivity
50
specificity
60
%.
all
women;
(Q1–Q3)
45.6
(13.3–89.09)
pg/mL
statistically
significantly
lower
than
cancer:
274.7
(199.0–472.5).
good
(AuC
0.942
CI
0.886–0.997);
<0.0001)
which
allows
use
as
criterion.
best
results
(71
100
%,
respectively)
at
226.2
pg/mL.
Serum
are
associated
progression.
However,
not
significant
prognostic
markers
this
disease.
Conclusion.
higher
positively
correlate
each
other.
Additionally,
has
relatively
characteristics
group.
presence
distant
metastases
points
potential
tumor
research
stage,
these
cannot
be
recommended
or
criteria
require
further
study.