Exosomes in Ocular Health: Recent Insights into Pathology, Diagnostic Applications and Therapeutic Functions
Biomedicines,
Journal Year:
2025,
Volume and Issue:
13(1), P. 233 - 233
Published: Jan. 19, 2025
Exosomes
are
extracellular
vesicles
ranging
from
30
to
150
nm
in
diameter
that
contain
proteins,
nucleic
acids
and
other
molecules.
Produced
by
virtually
all
cell
types,
they
travel
throughout
the
body
until
reach
their
target,
where
can
trigger
a
wide
variety
of
effects
transferring
molecular
cargo
recipient
cells.
In
context
ocular
physiology,
exosomes
play
very
important
role
embryological
development,
regulation
homeostasis
immune
system,
which
is
crucial
for
normal
vision.
Consequently,
pathological
situations,
also
undergo
modifications
terms
quantity,
composition
content,
depending
on
etiology
disease.
However,
mechanisms
contribute
pathology
has
not
yet
been
studied
depth,
many
questions
remain
unanswered.
This
review
aims
summarize
most
recent
knowledge
function
system
healthy
individuals
during
processes
degenerative,
infectious,
neurodegenerative,
vascular
inflammatory
nature,
such
as
keratoconus,
keratitis,
glaucoma,
diabetic
retinopathy
uveitis.
Furthermore,
given
unique
characteristics,
potential
diagnostic
biomarkers
or
therapeutic
agents
application
clinical
ophthalmology
explored,
along
with
main
limitations
researchers
face
today
field.
Language: Английский
PAX3 expression patterns in ocular surface melanocytes
Eva Ulrich,
No information about this author
Sebastian Kistenmacher,
No information about this author
Gottfried Martin
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et al.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 11, 2025
Abstract
PAX3,
a
transcription
factor
essential
for
neural
crest
development
and
melanocyte
progenitors,
is
expressed
in
various
melanocytic
tissues.
However,
its
role
ocular
surface
tissues
remains
poorly
understood.
This
study
investigated
the
expression
patterns
of
PAX3
limbal
stem
cell
niche,
specifically
epithelial
progenitor
cells
(LEPC),
melanocytes
(LM),
mesenchymal
(LMSC).
Additionally,
was
studied
conjunctival/limbal
melanoma
specimens.
Immunohistochemical
analysis
revealed
predominant
LM
as
well
conjunctival
melanocytes,
suggesting
distinct
roles
regulation
maintenance.
Notably,
significantly
upregulated
compared
to
healthy
counterparts,
with
co-localizing
markers
(Melan-A,
HMB45,
SOX10)
proliferation
marker
Ki-67
cells.
These
findings
suggests
that
while
restricted
limbal/conjunctival
dysregulation
may
play
crucial
development.
Further
investigation
into
mechanisms
by
which
influences
corneal
pathophysiology
contributes
pathogenesis
could
identify
potential
therapeutic
targets
this
aggressive
malignancy.
Language: Английский
Proteomic Insights into Human Limbal Epithelial Progenitor-Derived Small Extracellular Vesicles
Moritz Vincent Braunsperger,
No information about this author
Gottfried Martin,
No information about this author
Tabea Herzig
No information about this author
et al.
Stem Cell Reviews and Reports,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
Language: Английский
Extracellular Vesicles from Different Mesenchymal Stem Cell Types Exhibit Distinctive Surface Protein Profiling and Molecular Characteristics: A Comparative Analysis
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(7), P. 3393 - 3393
Published: April 4, 2025
The
current
medical
need
to
respond
different
diseases
has
sparked
great
interest
in
extracellular
vesicles
(EVs)
derived
from
mesenchymal
stem
cells
(MSCs)
due
their
regenerative
potential
and
as
drug
carriers
by
playing
a
critical
role
cell-cell
communication.
However,
heterogeneity,
there
is
no
standardized
universal
method
for
identification
characterization,
which
limits
clinical
application.
This
study,
following
the
recommendations
methodologies
proposed
MISEV2023
characterization
of
EVs,
shows
first
time
detailed
morphological,
protein,
biochemical
comparison
between
EVs
three
MSCs
sources
(placenta,
endometrium,
dental
pulp).
information
obtained
applied
assays
suggests
that
are
substantial
differences
one
source
another.
It
also
offers
valuable
insights
provide
guidelines
ease
profiling
therefore
improve
selection,
order
speed
up
use
application;
additionally,
knowledge
each
test
could
facilitate
new
researchers
field
choose
specific
cell
obtain
select
appropriate
methods
necessary
according
requirements.
Language: Английский