ARL13B controls male reproductive tract physiology through primary and Motile Cilia
Communications Biology,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: Oct. 14, 2024
ARL13B
is
a
small
regulatory
GTPase
that
controls
ciliary
membrane
composition
in
both
motile
cilia
and
non-motile
primary
cilia.
In
this
study,
we
investigated
the
role
of
efferent
ductules,
tubules
male
reproductive
tract
essential
to
fertility
which
co-exist.
We
used
genetically
engineered
mouse
model
delete
Arl13b
ductule
epithelial
cells,
resulting
compromised
architecture
functions.
This
deletion
led
disturbances
reabsorptive/secretory
processes
triggered
an
inflammatory
response.
The
observed
phenotype
showed
significant
variability
linked
partial
infertility,
highlighting
importance
maintaining
proper
physiological
balance
these
ducts.
These
results
emphasize
dual
functions
regulating
duct
homeostasis,
offering
deeper
insights
into
how
related
diseases
affect
system.
disrupts
structure
leading
impaired
inflammation,
subfertility.
highlights
ARL13B's
critical
physiology.
Language: Английский
The Role of Aquaporin 4 in Lacrimal Gland Ductal Fluid Secretion in Mice
Gréta Elekes,
No information about this author
Virág Csapó,
No information about this author
Dóra Szarka
No information about this author
et al.
Investigative Ophthalmology & Visual Science,
Journal Year:
2024,
Volume and Issue:
65(5), P. 30 - 30
Published: May 21, 2024
Purpose:
Earlier
reports
highlighted
the
predominant
presence
of
aquaporin
4
(AQP4)
in
duct
cells
rabbit
lacrimal
glands
(LGs).
Whereas
significant
alterations
AQP4
mRNA
levels
have
been
observed
experimental
dry
eye
and
during
pregnancy,
impact
LG
ductal
fluid
production
remains
unclear.
In
our
recent
work,
role
secretion
was
investigated
utilizing
wild
type
(WT)
knock
out
(KO)
mice.
Methods:
Tear
assessed
both
WT
KO
animals.
Immunostaining
used
to
identify
protein.
Duct
segments
were
harvested
from
LGs
Fluid
filtration
permeability
(Pf)
quantified
using
video-microscopy.
Ductal
tear
production,
elicited
by
a
cell-permeable
cAMP
analogue
(8-bromo
cAMP),
carbachol,
vasoactive
intestinal
peptide
(VIP),
phenylephrine
(PHE),
ducts.
Results:
A
higher
expression
protein
noted
mice
when
compared
acinar
cells.
Pf
did
not
show
notable
between
Carbachol
comparable
secretory
responses
ducts
However,
8-bromo
cAMP,
VIP,
PHE
stimulation
resulted
decreased
LGs.
Conclusions:
Our
findings
underscore
functional
relevance
mouse
seems
play
different
roles
secretions
secretagogues.
Specifically,
cAMP-mediated,
adrenergic
agonist-related
reduced
Language: Английский
The shared mechanism and potential diagnostic markers for premature ovarian failure and dry eye disease
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: July 13, 2024
Abstract
Premature
ovarian
failure
(POF),
which
is
often
comorbid
with
dry
eye
disease
(DED)
a
key
issue
affecting
female
health.
Here,
we
explored
the
mechanism
underlying
POF
and
DED
to
further
elucidate
mechanisms
improve
treatment.
Datasets
related
(GSE39501)
(GSE44101)
were
identified
from
Gene
Expression
Omnibus
(GEO)
database
subjected
weighted
gene
coexpression
network
(WGCNA)
differentially
expressed
genes
(DEGs)
analyses,
respectively,
intersection
used
obtain
158
in
DED.
Kyoto
Encyclopedia
of
Genes
Genomes
(KEGG)
Ontology
(GO)
analyses
revealed
that
primarily
DNA
replication
Cell
cycle,
respectively.
Protein–Protein
interaction
(PPI)
analysis
obtained
15
hub
genes:
CDC20,
BIRC5,
PLK1,
TOP2A,
MCM5,
MCM6,
MCM7,
MCM2,
CENPA,
FOXM1,
GINS1,
TIPIN,
MAD2L1,
CDCA3.
To
validate
results,
additional
POF-
DED-related
datasets
(GSE48873
GSE171043,
respectively)
selected.
miRNAs-lncRNAs-genes
machine
learning
methods
genes.
The
DGIdb
valdecoxib,
amorfrutin
A,
kaempferitrin
as
potential
drugs.
Herein,
bioinformatics
perspective,
providing
new
strategy
explore
comorbidity
mechanism,
opening
up
direction
for
diagnosis
treatment
Language: Английский
Evaluation of the Performance of an Ocular Surface Modulator Containing ST-Lysyal Versus Hyaluronic Acid Eyedrops in Patients with Dry Eye Disease: A Pilot Study
Ophthalmology and Therapy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
Dry
eye
disease
(DED)
is
a
multifactorial
condition
of
the
ocular
surface,
primarily
treated
with
tear
substitutes,
which
do
not
fully
restore
natural
functions.
In
this
pilot
study,
we
tested
hypothesis
that
T-Lysyal
(T-Lys)
improves
symptoms
and
signs
in
patients
DED.
Additionally,
provide
literature
overview
on
effects
T-Lys
ophthalmology
non-ophthalmology
conditions
to
elucidate
its
mechanisms
action.
A
double-masked,
randomized
study
was
conducted
DED
or
hyaluronic
acid
(HA)
0.2%
combined
tamarind
seeds
polysaccharide
(control
group)
for
2
months.
Inclusion
criteria
were
diagnosis
lasting
≥
6
months,
Symptom
Assessment
Eye
(SANDE)
score
30,
at
least
one
following:
fluorescein
staining
cornea
(score
3,
NEI
scale),
conjunctival
(Lissamine
Green,
3),
breakup
time
(T-BUT)
≤
10
s.
Data
from
right
used
statistical
analysis.
PubMed
search
studies
also
performed
without
publication
year
restrictions.
Twelve
group
15
control
completed
(mean
age
67
±
11
years).
treatment
resulted
significant
improvements
baseline
(V0)
months
(V2)
assessed
by
visual
analogue
scale
(T-Lys:
4.58
2.57
mm
V0,
2.92
1.38
V2,
p
<
0.05;
control:
5.13
2.29
5.3
2.4
V2),
T-BUT
2.58
1.31
s
3.58
1.37
3.07
1.43
3
1.13
corneal
2.16
4.17
1.41
3.70
1.4
2.19
V2).
No
adverse
events
reported.
Literature
findings
supported
T-Lys's
efficacy
managing
both
conditions.
This
provides
first
clinical
evidence
DED,
supporting
preclinical
data
highlighting
potential
as
promising
surface
modulator.
The
registered
ISRCTN
registry
Clinical
Studies
no.
13587929.
Language: Английский