Potential of Pterostilbene as an Antioxidant Therapy for Delaying Retinal Damage in Diabetic Retinopathy
Antioxidants,
Journal Year:
2025,
Volume and Issue:
14(3), P. 244 - 244
Published: Feb. 20, 2025
Chronic
hyperglycemia
is
a
major
driver
of
neurovascular
damage
in
diabetic
retinopathy
(DR),
leading
cause
preventable
blindness
adults.
DR
progression
often
undetected
until
its
advanced
stages,
with
oxidative
stress
recognized
as
primary
contributor.
In
diabetes,
disrupts
retinal
cellular
balance,
damaging
proteins,
DNA,
and
lipids,
triggering
photoreceptor
degeneration.
Pterostilbene
(Pter),
polyphenol
antioxidant
properties,
has
demonstrated
protective
effects
animal
models
was
assessed
pilot
clinical
study.
patients
treated
250
mg/day
oral
Pter
showed
reduction
the
development
vascular
alterations
characteristic
disease.
Urinary
analyses
confirmed
Pter's
role
reducing
lipid
peroxidation
polyunsaturated
fatty
acids
(PUFAs),
including
arachidonic
adrenic
acids,
indicators
DR.
also
improved
GSH/GSSG
ratio,
reflecting
restored
redox
balance.
However,
after
six
months
without
treatment,
reappeared,
highlighting
importance
sustained
intervention.
These
findings
suggest
that
may
help
slow
by
protecting
against
highlight
implementing
therapies
from
diagnosis
although
long-term
impact
consistent
biomarkers
deserve
more
research
to
optimize
management.
Language: Английский
Xanthones with multiple roles against diabetes: their synthesis, structure‐activity relationship, and mechanism studies
Youhong Ke,
No information about this author
XU Qin-fang,
No information about this author
Jianling Hu
No information about this author
et al.
Drug Development Research,
Journal Year:
2024,
Volume and Issue:
85(2)
Published: March 13, 2024
Abstract
A
four‐step
synthetic
process
has
been
developed
to
prepare
1,3,5,8‐tetrahydroxyxanthone
(
2a
)
and
its
isomer
1,3,7,8‐tetrahydroxyxanthone
2b
).
25
more
xanthones
were
also
synthesized
by
a
modified
scheme.
Xanthone
was
identified
as
the
most
active
inhibitor
against
both
α‐glucosidase
aldose
reductase
(ALR2),
with
IC
50
values
of
7.8
±
0.5
μM
63.2
0.6
nM,
respectively,
which
far
than
acarbose
(35.0
0.1
μM),
little
epalrestat
(67.0
3.0
nM).
confirmed
antioxidant
in
vitro
EC
value
8.9
μM.
Any
structural
modification
including
methylation,
deletion,
position
change
hydroxyl
group
will
cause
an
activity
loss
inhibitory
antioxidation.
By
applying
H
2
O
‐induced
oxidative
stress
nematode
model,
it
that
xanthone
can
be
absorbed
Caenorhabditis
elegans
is
bioavailable
attenuate
vivo
stress,
effects
on
lifespan,
superoxide
dismutase,
Catalase,
malondialdehyde.
verified
hypoglycemic
effect
mitigation
embryo
malformations
high
glucose.
All
our
data
support
behaves
triple
roles
potential
agent
treat
diabetic
mellitus,
gestational
diabetes
complications.
Language: Английский
Inter-Relations between Dietary Patterns and Glycemic Control-Related Biomarkers on Risk of Retinopathy in Type 2 Diabetes
Nutrients,
Journal Year:
2024,
Volume and Issue:
16(14), P. 2274 - 2274
Published: July 15, 2024
Diabetic
retinopathy
(DR),
which
can
cause
vision
loss,
may
progress
faster
with
poor
glycemic
control
and
oxidative
stress.
This
study
aims
to
examine
how
dietary
patterns
biomarkers
relate
risk
in
type
2
diabetes
patients.
In
this
study,
we
enrolled
diabetic
patients
(DR)
(
Language: Английский
Hyperlipidemia and lipid-lowering therapy in diabetic retinopathy (DR): A bibliometric study and visualization analysis in 1993–2023
Haishan Tan,
No information about this author
Xiangyu Fu,
No information about this author
Yongjiang Chen
No information about this author
et al.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(10), P. e21109 - e21109
Published: Oct. 1, 2023
BackgroundDiabetic
retinopathy
(DR)
is
a
common
complication
in
diabetic
patients.
DR
also
neurodegenerative
disease.
Patients
with
hyperglycemia,
hyperlipidemia,
and
hypertension
are
vulnerable
to
development.
While
the
roles
of
blood
glucose
pressure
development
have
been
extensively
studied,
relationship
between
body
fat
pathogenesis
impact
lipid-reducing
drugs
on
has
just
emerged
as
research
hotspot
study.
We
aim
visualize
contributions
cooperation
reporters,
organizations,
nations,
addition
hotspots
trends
DR-related
lipid
from
1993
2023,
by
bibliometric
analysis.MethodsWe
extracted
all
publications
about
2023
Web
Science
Core
Collection,
features
were
studied
using
VOSviewer
CiteSpace
program.Results1402
documents
retrieved.
The
number
studies
risen
consistently
for
three
decades,
an
average
16.8/year
1990s
28.8/year
2000s,
64.5/year
2010s,
reached
112/year
2020–2022,
confirming
they
hot
topic
field.
These
reports
93
nations/regions,
USA,
China,
Japan,
Australia,
England
taking
leading
positions.
Diabetes
Research
Clinical
Practice
was
journal
that
published
most
studies,
Care
quoted.
identified
6979
authors,
Wong
TY
having
papers
being
commonly
co-cited.
popular
keyword,
according
our
research,
retinopathy.
Oxidative
stress,
macular
edema
(DME),
peroxidation,
other
topics
often
investigated.ConclusionDR-related
conducted
mainly
North
America,
Asia,
Oceania,
Europe.
Much
study
centered
lipid-lowering
therapy
pathogenesis.
strongly
support
medications
(fenofibrate,
statins,
omega-3
PUFAs),
combined
hyperglycemia
therapy,
prevent
treat
DR.
However,
fenofibrate
or
statin
not
correlated
their
action
profiles.
Thus,
more
randomized
clinical
trials
primary
endpoints
related
T1D
T2D
merited.
In
addition,
biomarker
(lipid
aldehydes,
ALEs,
cholesterol
crystals),
medicines
retinopathy,
mechanism
preventing
curing
DR,
ocular
delivery
patients
predicted
focus
future
Language: Английский
Investigating the effect of melatonin on serum changes of Adropin in patients with diabetic retinopathy, A randomized clinical trial
Alireza Javadzadeh,
No information about this author
Peyman Ghodraty,
No information about this author
Zahra Saeedi-Maleki
No information about this author
et al.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
Abstract
Background:
This
study
aimed
to
determine
the
effect
of
oral
melatonin
on
adropin
serum
levels
in
patients
with
diabetic
retinopathy(DR)
Methods
and
Design:
randomized,
single-blind
clinical
trial
involved
22
DR
who
received
additional
treatment
3
mg/day
for
three
months
(group
A)
age-matched
got
only
routine
treatments
B)
A
complete
ophthalmic
examination,
including
best
corrected
visual
acuity
(BCVA)
(based
LogMAR)
slit
lamp
was
done.
grading
based
Early
Treatment
Diabetic
Retinopathy
Study
(ETDRS)
guidelines.
adropin,
MDA,
hs-CRP
were
measured
repeated
after
months.
Descriptive
statistics
used
describe
demographic
characteristics
inferential
(Mann
Whitney
U
test,
Spearman's
rank
correlation
test)
population,
statistical
significance
level
set
at
P
<
0.05.
Results:
Significant
differences
between
control
groups
(both
before
treatment)
seen
MDA
(P
=
0.005)
Adropin
0.001),
but
there
no
significant
biochemical
parameter
levels.
Also,
correlations
changes
Conclusions:
In
conclusion,
our
suggests
that
using
alongside
may
increase
decrease
oxidative
stress
inflammatory
process
diabetes
this
reason
we
consider
a
therapeutic
role
treating
retinopathy.
Language: Английский
Evaluation of Plasma Malondialdehyde among Sudanese Type 2 Diabetic Patients
Gad Allah Modawe,
No information about this author
Ibtihal Elamin Mohammed,
No information about this author
Abuagla M. Dafalla
No information about this author
et al.
Open Journal of Endocrine and Metabolic Diseases,
Journal Year:
2023,
Volume and Issue:
13(12), P. 234 - 243
Published: Jan. 1, 2023
Background
and
objectives:
Diabetes
is
a
chronic
multifactorial
disease
which
requires
variety
of
strategies
to
reduce
its
epidemic.
Type
2
diabetes
(T2MD)
the
most
common
form
results
from
inefficiency
insulin
secretion
or
resistance
action,
both
lead
hyperglycemia.
Lipid
peroxidation
an
oxidative
stress
process
that
involve
in
T2DM
complications.
This
study
aimed
1)
determine
plasma
malondialdehyde
(MDA)
levels
as
biomarker
for
lipid
Sudanese
patients
with
T2DM,
2)
assess
associations
between
MDA
diabetes-related
variables.
Material
Methods:
case-control
was
conducted
November
2022
June
2023
at
National
University,
Sudan.
It
included
100
participants,
whom
50
were
healthy
controls.
Data
on
demographics,
clinical
characteristics,
biochemical
markers
(FBS,
HbA1c,
MDA)
collected.
The
NycoCard
HbA1c
method
GOD-POD
Method
used
glucose
measurement,
respectively.
determined
by
thiobarbituric
acid
reactive
substances
method.
data
analyzed
using
SPSS
Version.
Results:
Significant
differences
observed
controls
FBS
(P
=
0.000),
0.010),
exhibiting
higher
levels.
revealed
strong
positive
correlation
duration
(r
0.69,
P
0.00),
while
other
variables,
including
age,
BMI,
control,
did
not
significantly
correlate
Conclusion:
Findings
elevated
patients,
duration.
These
findings
emphasize
importance
pathogenesis
call
need
targeted
mitigate
damage
improve
care.
Language: Английский