Journal of Clinical Medicine,
Journal Year:
2019,
Volume and Issue:
8(12), P. 2217 - 2217
Published: Dec. 15, 2019
MicroRNAs
(miRNAs)
can
provide
insight
into
the
pathophysiological
states
of
ocular
tissues
such
as
proliferative
diabetic
retinopathy
(PDR).
In
this
study,
differences
in
miRNA
expression
vitreous
from
PDR
patients
with
and
without
incidence
recurrent
hemorrhage
(RVH)
after
initial
pars-plana
vitrectomy
(PPV)
were
analyzed,
aim
identifying
biomarkers
for
RVH.
Fifty-four
consented
samples
analyzed
undergoing
PPV
PDR,
which
eighteen
underwent
a
second
surgery
due
to
Ten
sixty-six
expressed
miRNAs
(miRNAs-19a,
-20a,
-22,
-27a,
-29a,
-93,
-126,
-128,
-130a,
-150)
displayed
divergences
between
groups
control.
A
significant
increase
miRNA-19a
-27a
was
determined
compared
controls.
miRNA-20a
-93
significantly
upregulated
primary
afflicted
Moreover,
observed
upregulation
not
non-RVH
control
group,
thus
emphasizing
association
RVH
incidence.
detected
putative
elevated
levels
suggest
their
biomarker
potential
major
complications
International Journal of Molecular Sciences,
Journal Year:
2020,
Volume and Issue:
21(5), P. 1835 - 1835
Published: March 6, 2020
Diabetes
mellitus
comprises
a
group
of
carbohydrate
metabolism
disorders
that
share
common
main
feature
chronic
hyperglycemia
results
from
defects
insulin
secretion,
action,
or
both.
Insulin
is
an
important
anabolic
hormone,
and
its
deficiency
leads
to
various
metabolic
abnormalities
in
proteins,
lipids,
carbohydrates.
Atherosclerosis
develops
as
result
multistep
process
ultimately
leading
cardiovascular
disease
associated
with
high
morbidity
mortality.
Alteration
lipid
risk
factor
characteristic
atherosclerosis.
Possible
links
between
the
two
depending
on
altered
pathways
have
been
investigated
numerous
studies.
It
was
shown
both
types
diabetes
can
actually
induce
atherosclerosis
development
further
accelerate
progression.
Elevated
glucose
level,
dyslipidemia,
other
alterations
accompany
are
tightly
involved
pathogenesis
at
almost
every
step
atherogenic
process.
Chronic
inflammation
currently
considered
one
key
factors
present
starting
earliest
stages
pathology
initiation.
may
also
be
regarded
possible
mellitus.
However,
data
available
so
far
do
not
allow
for
developing
effective
anti-inflammatory
therapeutic
strategies
would
stop
atherosclerotic
lesion
progression
reduction.
In
this
review,
we
summarize
aspects
possibly
affect
relationship
inflammation.
We
discuss
established
pathophysiological
features
link
mellitus,
such
oxidative
stress,
protein
kinase
signaling,
role
certain
miRNA
epigenetic
modifications.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(4), P. 3554 - 3554
Published: Feb. 10, 2023
Diabetic
neuropathy
(DN)
is
one
of
the
main
microvascular
complications
both
type
1
and
2
diabetes
mellitus.
Sometimes,
this
could
already
be
present
at
time
diagnosis
for
mellitus
(T2DM),
while
it
appears
in
subjects
with
(T1DM)
almost
10
years
after
onset
disease.
The
impairment
can
involve
somatic
fibers
peripheral
nervous
system,
sensory-motor
manifestations,
as
well
autonomic
neurovegetative
multiorgan
manifestations
through
an
sympathetic/parasympathetic
conduction.
It
seems
that,
indirectly
directly,
hyperglycemic
state
oxygen
delivery
reduction
vasa
nervorum
determine
inflammatory
damage,
which
turn
responsible
alteration
activity
nerves.
symptoms
signs
are
therefore
various,
although
symmetrical
painful
level
lower
limbs
most
frequent
manifestation.
pathophysiological
aspects
underlying
progression
DN
not
entirely
clear.
purpose
review
to
shed
light
on
recent
discoveries
diagnostic
fields
concerning
complex
complication
International Journal of Molecular Sciences,
Journal Year:
2018,
Volume and Issue:
19(12), P. 3705 - 3705
Published: Nov. 22, 2018
The
insulin
signaling
pathway
is
composed
of
a
large
number
molecules
that
positively
or
negatively
modulate
specific
signal
transduction
following
its
binding
to
the
cognate
receptor.
Given
importance
final
effects
transduction,
it
conceivable
many
regulators
are
needed
in
order
tightly
control
metabolic
proliferative
functional
outputs.
MicroRNAs
(miRNAs)
small
non-coding
RNA
gene
expression
through
their
within
3′UTR
sequence
messenger
(mRNA),
thus
causing
mRNA
decoy
translational
inhibition.
In
last
decade,
miRNAs
have
been
addressed
as
pivotal
cellular
rheostats
which
fundamental
pathways,
including
transduction.
Several
studies
demonstrated
multiple
alterations
function
relevant
for
development
resistance
type
2
diabetes
(T2D);
such
highlighted
target
organs
liver,
muscles,
and
adipose
tissue.
Indirectly,
identified
modulators
inflammation-derived
resistance,
by
controlling/tuning
activity
innate
immune
cells
tissues.
Here,
we
review
main
findings
on
miRNA
functions
physiologic-
T2D
resistance-
status.
Additionally,
report
latest
hypotheses
prospective
therapies
involving
potential
targets
future
drugs
T2D.
Cells,
Journal Year:
2020,
Volume and Issue:
9(3), P. 659 - 659
Published: March 9, 2020
Circular
RNAs
(circRNAs)
belong
to
the
ever-growing
class
of
naturally
occurring
noncoding
(ncRNAs)
molecules.
Unlike
linear
RNA,
circRNAs
are
covalently
closed
transcripts
mostly
generated
from
precursor-mRNA
by
a
non-canonical
event
called
back-splicing.
They
highly
stable,
evolutionarily
conserved,
and
widely
distributed
in
eukaryotes.
Some
believed
fulfill
variety
functions
inside
cell
mainly
acting
as
microRNAs
(miRNAs)
or
RNA-binding
proteins
(RBPs)
sponges.
Furthermore,
mounting
evidence
suggests
that
misregulation
is
among
first
alterations
various
metabolic
disorders
including
obesity,
hypertension,
cardiovascular
diseases.
More
recent
research
has
revealed
also
play
substantial
role
pathogenesis
diabetes
mellitus
(DM)
related
vascular
complications.
These
findings
have
added
new
layer
complexity
our
understanding
DM
underscored
need
reexamine
molecular
pathways
lead
this
disorder
context
epigenetics
circRNA
regulatory
mechanisms.
Here,
I
review
current
knowledge
about
dysregulation
describe
their
potential
innovative
biomarkers
predict
diabetes-related
(CV)
events.
Finally,
discuss
some
actual
limitations
promise
these
RNA
emerging
therapeutics
provide
recommendations
for
future
on
circRNA-based
medicine.
Journal of Translational Medicine,
Journal Year:
2019,
Volume and Issue:
17(1)
Published: July 22, 2019
Diabetic
nephropathy
(DN)
is
associated
with
high
risk
of
cardiovascular
disease
and
mortality.
Exosomal
microRNAs
(miRNAs)
regulate
gene
expression
in
a
variety
tissues
play
important
roles
the
pathology
various
diseases.
We
hypothesized
that
exosomal
miRNA
profile
would
differ
between
DN
patients
without
nephropathy.
prospectively
enrolled
74
participants,
including
healthy
volunteers
(HVs),
diabetic
nephropathy,
those
DN.
The
serum
profiles
participants
were
examined
using
RNA
sequencing.
levels
107
miRNAs
differed
HVs
DN,
whereas
95
Among
these
miRNAs,
we
found
7
(miR-1246,
miR-642a-3p,
let-7c-5p,
miR-1255b-5p,
let-7i-3p,
miR-5010-5p,
miR-150-3p)
uniquely
up-regulated
compared
to
HVs,
miR-4449
was
highly
expressed
A
pathway
analysis
revealed
eight
are
likely
involved
MAPK
signaling,
integrin
function
angiogenesis,
regulation
AP-1
transcription
factor.
Moreover,
they
all
significantly
correlated
degree
albuminuria.
Patients
have
different
HVs.
These
may
be
promising
candidates
for
diagnosis
treatment
disease.